Document:

LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT

         LETTER OF CREDIT AND REIMBURSEMENT  AGREEMENT (this  "Agreement") dated
April 24,  2000 is  between  Evans &  Sutherland  Computer  Corporation,  a Utah
corporation  (the  "Borrower")  and  Zions  First  National  Bank  ("Bank").  In
consideration  for Bank issuing  irrevocable  letters of credit  during the term
provided in Section 2.6 of that certain Loan  Agreement  dated March 31, 2000 by
and between Borrower and Bank (the "Loan  Agreement") in an amount not to exceed
$  7,000,000.00  (the  "Letters  of  Credit"),  Borrower  and Bank  agree to the
following provisions:

         1.  Reimbursement.  Borrower shall  reimburse Bank, at Bank's office in
immediately  available United States currency,  the amount paid or to be paid by
Bank or  Bank's  agent,  or any party on  Bank's  behalf on each  draft or other
order,  instrument or demand drawn or presented  under the Letters of Credit (an
"Item"). Items shall be reimbursed on demand. Upon full and timely reimbursement
according to the terms of this Agreement and the Loan  Agreement,  the full face
amount of the Letters of Credit shall be available  to Borrower  throughout  the
remainder of the stated term of the Letters of Credit.

         2. Commission and Charges.  Borrower agrees to pay Bank an issuance fee
in the  amount set forth in Section  2.6 of the Loan  Agreement,  payable on the
date of the issuance of such Letter of Credit and any subsequent  anniversary of
the date of issuance.  Borrower also agrees to pay Bank (i) a negotiation fee in
the  amount of 1/8% of the  amount of each draw  under  each  Letter of  Credit,
payable on the date of such drawing,  and (ii) an amendment fee in the amount of
$35.00 for each  amendment  to each Letter of Credit,  payable on the  effective
date of each such amendment.

         3.  Interest.   Borrower  shall  pay  Bank  on  demand  interest  at  a
fluctuating  rate  (equal  to the rates  set  forth in  Section  2.2 of the Loan
Agreement) on any reserved amount of the proceeds of the Loan extended  pursuant
to the Loan Agreement which bears interest in accordance with Section 2.6 of the
Loan  Agreement,  until such drawn amount is fully repaid  pursuant to Section 1
above.

         4.  Set  Off.  Borrower  authorizes  Bank  to  charge  any  account or
other funds in Bank's possession for the payment of the Liabilities (as defined
in Section 8 of this Agreement).

         5. Continuation of Liability.  Regardless of the expiration date of any
Letter of Credit, Borrower shall remain liable hereunder for any draw or payment
made by Bank  under the Letter of Credit,  (i) timely  received  but paid by the
Bank within ten (10) days after the expiration date of the Letter of Credit;  or
(ii) paid by Bank pursuant to an order of a court of competent jurisdiction;  or
(iii) as otherwise authorized by Borrower.

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         6.  Documentation.  Unless  specified  to the contrary in any Letter of
Credit  application,  or any amendment to any Letter of Credit,  Borrower agrees
that Bank and  Bank's  correspondents  may  receive  and accept (a) any Items or
documents  otherwise  in  order,  issued  or  purportedly  issued  by an  agent,
executor,  trustee in bankruptcy,  receiver or other representative of the party
who is  authorized  under  such  Letter of Credit to issue  such  items or other
documents,  as  complying  with  the  terms of such  Letter  of  Credit  and (b)
documents  which  comply  with  the  UCP  (as  defined  in  Section  19 of  this
Agreement).  The  provisions  of clause  (a) above  shall in no way be deemed to
preclude the  beneficiary  of any Letter of Credit from  issuing and  presenting
Items or documents under the terms of such Letter of Credit.

         Borrower agrees to indemnify and hold Bank harmless from each and every
claim, demand, liability,  loss, cost or expense (including, but not limited to,
reasonable  attorneys'  fees and legal  costs)  which may arise or be created by
Bank's  acceptance of  telecommunication  instructions  in  connection  with any
Letter of Credit,  including,  but not limited to,  telephonic  instructions  in
connection with any waiver of discrepancies.

         7.  Increased  Cost/Taxes.  If,  as a  result  of  any  governing  law,
regulation, treaty or directive, or any change therein, or in the interpretation
or application  thereof or compliance with any request or directive  (whether or
not having the force of law) from any court or governmental authority, agency or
instrumentality,  any reserve,  premium,  special deposit, special assessment or
similar  requirements  against Bank's  assets,  deposits with Bank or for Bank's
account, or credit extended by Bank, are imposed,  modified or deemed applicable
and Bank  reasonably  determines  that, by reason  thereof,  the cost to Bank of
issuing or maintaining  the Letters of Credit is increased,  Borrower  agrees to
pay Bank upon demand (which demand shall be accompanied  by a statement  setting
forth the basis for the calculation  thereof) such additional  amount or amounts
as will  compensate Bank for such additional  cost.  Determinations  by Bank for
purposes of this Section of the additional  amounts  required to compensate Bank
in respect of the foregoing shall be conclusive, absent manifest error. Borrower
further agrees to pay any applicable levies or other taxes imposed in connection
with the  Letters of Credit  other than net income  taxes  payable by Bank,  and
otherwise  comply with all domestic and foreign laws and regulations  applicable
to all transactions under or in connection with the Letters of Credit.

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                                       3

         8.  Collateral.  As security for the  performance of all obligations of
this  Agreement,  Borrower has conveyed  security  interests in certain real and
personal  property  described  in and  evidenced by those  instruments  executed
concurrently  with the Loan  Agreement as set forth in Section 2.4  therein.  In
addition thereto, Borrower hereby pledges (a) all balances,  credits,  deposits,
accounts or moneys now or hereafter held by Bank which Borrower owns or in which
Borrower may have an interest, (b) all Items, all shipping documents,  warehouse
receipts, policies or certificates of insurance and other documents accompanying
or relating to any Items,  and all  property  covered by any such  documents  or
shipped or stored under or in connection  with any Letter of Credit or any Items
(whether  or not such  documents  or  property  is  released to Borrower or upon
Borrower's request), and (c) all dividends,  distributions and other right in or
with respect to, and  substitutions for and products and proceeds of, any of the
foregoing (being referred to collectively as the "Collateral").

         In addition,  Borrower hereby incorporates all of Borrower's  covenants
and obligations concerning the collateral as set forth in the Loan Agreement and
the other  Loan  Documents  identified  The  security  interest  granted by this
Section  shall  continue,  and the  provisions of any this  Agreement,  the Loan
Agreement, and any other instrument or document which secures the Liabilities in
favor of Bank shall continue,  until such time as all Liabilities have been paid
in full and discharged and this Agreement has been terminated.

         9.  Risks/Indemnification.  Borrower agrees that any action or omission
by Bank under or in connection with any Letter of Credit or any Items, documents
or property  shall,  unless in breach of good faith,  be binding on Borrower and
shall not put Bank under any  resulting  liability  to Borrower.  Borrower  will
indemnify  Bank and hold Bank  harmless  from and against  each and every claim,
demand,  liability,  loss,  cost or  expense  (including,  but not  limited  to,
reasonable  attorneys'  fees and legal  costs) to which Bank may be subjected or
which Bank may incur by reason of any such action or  omission,  or by reason of
any action taken pursuant to this Agreement  (including,  but not limited to, by
reason of (i) Bank  honoring  Borrower's  request not to make payment  under any
Item or (ii)  Borrower's  actions to restrain Bank from making payment under any
Item),  unless in breach of good  faith.  In no event  shall  Bank be liable for
incidental, consequential or special damages. The indemnities and obligations of
Borrower  contained in this Section shall survive the payment in full of amounts
payable to Sections 1 through 3 hereof and termination of the Letters of Credit.

         10.  Discrepancies.  Borrower  will  promptly  examine the copy of each
Letter of Credit (and any amendments  thereto) sent to Borrower by Bank, as well
as any and all  instruments  and  documents  delivered to Borrower  from time to
time, and, in the event Borrower has any claim of non-compliance with Borrower's
instructions  or  of   discrepancies  or  other   irregularity,   Borrower  will
immediately  notify Bank thereof in writing,  and Borrower will  conclusively be
deemed to have  waived any such claim  against  Bank unless such notice is given
within two business days.

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                                       4

         11. Exculpation. In addition to the exculpatory provisions contained in
the UPC (as defined hereafter in Section 19), Bank or its  correspondents  shall
not be responsible for, and Borrower's obligation to reimburse Bank shall not be
affected by: (a) compliance  with any laws,  customs or regulations in effect in
countries of negotiation or payment of any Letter of Credit;  (b) failure of any
Item to refer  adequately  to any Letter of Credit,  or failure of  documents to
accompany any Item at negotiation/payment,  or failure to note the amount of any
Item on the reverse of such Letter of Credit or to  surrender or to take up such
Letter of Credit or to forward  required  documents  with  Items,  each of which
provisions,  if contained in such Letter of Credit  itself,  it is agreed may be
waived by Bank,  (c) any refusal by Bank to honor Items because of an applicable
law,  regulation or ruling of any governmental  agency whether valid or invalid,
or now or hereafter in effect,  (d) acts or the failure to act of Bank's  agents
or  correspondents  including,  but not limited to,  their  failure to pay Items
because  of  any  law,  decree,  regulation,  ruling  or  interpretation  of any
governmental agency (domestic or foreign), (e) the identity of any transferee of
any Letter of Credit or the sufficiency of the transfer if such Letter of Credit
is  transferable,  (f) the use which may be made of any  Letter of Credit or any
acts or omissions by any beneficiary of transferee in connection  therewith,  or
(g)  the  validity,   sufficiency  or  genuineness  of  documents,   or  of  any
endorsements  thereon,  even if such documents  should prove to be in any or all
respects invalid, insufficient, fraudulent or forged.

         In  furtherance  of, and not in limitation of the  foregoing,  Bank may
accept   documents   that  appear  on  their  face  to  be  in  order,   without
responsibility   for  further   investigation,   regardless  of  any  notice  or
information to the contrary.

         Bank shall not be liable or responsible for (a) the time, place, manner
or order in which  shipment  is made or  partial  or  incomplete  shipment,  (b)
insurance of any property or any risk  connected  with  insurance,  (c) delay in
arrival or failure to arrive of any property or any documents  relating thereto,
(d) delay in giving or  failure to give  notice of arrival or any other  notice,
(e) the validity,  form, sufficiency,  accuracy,  genuineness,  falsification or
legal effect of any documents,  or the validity,  genuineness,  falsification or
legal effect of any Items,  (f) general or particular  conditions  stipulated in
documents or superimposed  thereon, (g) the description,  existence,  character,
quantity, weight, quality,  condition,  packing, shipment,  arrival, delivery or
value  of  any  property  purportedly  represented  by  any  documents,  or  any
difference  therein  from  that  expressed  in the  documents,  (h) the  acts or
omissions, good faith, solvency, performance or standing of any vendor, shipper,
issuer, consignor, carrier, insurer, user of the Letter of Credit, correspondent
or other bank (whether or not selected by Bank) or anyone else,  (i) loss of, or
errors,  omissions,  interruptions or delays in transmission or delivery of, any
messages,  letters or documents by mail, cable,  telegraph,  telex, facsimile or
otherwise  and whether or not in cipher,  (j) the  translation  of, or errors in
translation or interpretation of, credit or technical terms, (k) transmission of
credit terms without  translating them, or (l) consequences  arising out of acts
of God, interruptions of communication facilities, war disturbances, abnormal or
emergency  conditions,  or other causes beyond Bank's control, or out of strikes
or lockouts and none of the  foregoing  shall  affect or impair,  or prevent the
vesting  of  any  of  Bank's  rights  and  remedies  or  Borrower's  obligations
hereunder.

         12. Costs and Expenses. Borrower agrees to pay on demand all reasonable
costs and expenses  (including,  but not limited to, reasonable  attorney's fees
and legal costs) in connection  with (i) the Letters of Credit or this Agreement
or its  enforcement  or (ii) any action or proceeding  restraining or seeking to
restrain  Bank from  paying,  or seeking to compel Bank to pay, any amount under
any Letter of Credit.

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         13.  Amendments  and/or  Modification of Letters of Credit. If Borrower
requests  Bank to increase  the amount of any Letter of Credit,  extend or renew
any Letter of  Credit,  or  otherwise  modify the terms of any Letter of Credit,
Borrower agrees that this Agreement shall continue to bind Borrower with respect
to any action taken by Bank or any of its correspondents in accordance with such
increase, extension, renewal or other modification.

         14. Events of Default.  The  occurrence of any of the following  events
shall constitute an "Event of Default" hereunder: (a) Borrower shall fail to pay
any amount  payable under this  Agreement  when due; (b) Borrower  shall fail to
perform or observe  any other  term,  covenant or  agreement  contained  in this
Agreement;  (c) the  filing  by or  against  Borrower  or any  guarantor  of the
Liabilities   ("Guarantor")   of  a  request  or   petition   for   liquidation,
reorganization,  arrangement,  adjustment of debts,  adjudication as a bankrupt,
relief as debtor or other relief  under the  bankruptcy,  insolvency  or similar
laws of the  United  States or any state or  territory  thereof  or any  foreign
jurisdiction,  now or  hereafter  in  effect;  (d)  the  making  of any  general
assignment  by  Borrower or any  Guarantor  for the  benefit of  creditors;  the
appointment of a receiver or trustee for Borrower or any  Guarantor,  or for any
assets  of  Borrower  or  any  Guarantor  including,   without  limitation,  the
appointment of or taking possession by a "custodian",  as defined in the federal
Bankruptcy  Code or  otherwise;  the  making of any,  or  sending  notice of any
intended bulk sale; or the  institution by or against  Borrower or any Guarantor
of any other type of insolvency  proceeding under the federal Bankruptcy Code or
otherwise,  or of any  formal or  informal  proceeding  for the  dissolution  or
liquidation or settlement of claims against or winding up of affairs of Borrower
or any Guarantor;  (e) any provision of this Agreement shall at any time for any
reason  cease to be valid and  binding on  Borrower,  or shall be declared to be
null and void, or the validity or  enforceability  thereof shall be contested by
Borrower,  or a  proceeding  shall be commenced  by any  governmental  agency or
authority having  jurisdiction over Borrower seeking to establish the invalidity
or  unenforceability  thereof, or Borrower shall deny that it has any or further
liability or  obligation  under this  Agreement;  or (f) any default shall occur
under any agreement by and among Borrower and Bank.

         If any Event of Default  shall have  occurred and be  continuing,  Bank
may: (a) by written  notice to Borrower  direct  Borrower to pay  immediately to
Bank an amount equal to Bank's potential  liability under all Letters of Credit,
whether  or not any Item shall have been  presented  thereunder;  (b) offset any
funds of Borrower  held by Bank;  (c) pursue any other  remedy  available  to it
under this  Agreement,  the Loan Agreement or pursuant to the terms of any other
documents executed in accordance herewith;  or (d) take any and all actions with
respect to the Collateral as allowed by applicable law.

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                                       6

         15.  Documents.  Borrower  agrees that (a) Bank may accept as "bills of
lading" under Letters of Credit any documents issued or purportedly issued by or
on  behalf  of  any  carrier   which   acknowledge   receipt  of  property   for
transportation, whatever the specific provisions of such documents, (b) Bank may
accept  as  documents  of  insurance  either  insurance  policies  or  insurance
certificates,  (c) Bank may accept as sufficient and controlling the description
of any  property  contained  in any  invoice  notwithstanding  that any bills of
lading,  insurance or other documents (which Bank may also accept) may contain a
description  different  from that  contained in such  invoice,  and (d) Bank may
accept  any  document  containing  stamped,  written or  typewritten  provisions
thereon,  whether or not signed or initialed,  and may assume  conclusively that
the same were placed with  authority on the document at the time of its issuance
by the carrier or other issuer or any agent thereof.

         16.  Release of Documents or Property.  In the event that Bank receives
some but not all of the  documents  against  which  drawings may be made and, at
Borrower's request,  Bank delivers such documents to Borrower or to anyone else,
or in the event that Bank,  at Borrower's  request,  releases or consents to the
release of some or all of the property shipped or purported to have been shipped
under any  Letter of Credit  prior to the  presentation  of the  relative  Item,
Borrower  agrees to pay Bank on demand the amount of any claim made against Bank
by reason  thereof and  authorizes  Bank to honor such Item when it is presented
regardless  of whether or not such Item or any document  which may  accompany it
complies with the terms of such Letter of Credit.

         17.  Delay and Waiver.  No delay in the  exercise  of Bank's  rights or
remedies shall be deemed a waiver,  and no partial  exercise of Bank's rights or
remedies shall preclude the further  exercise of any right or remedy.  No waiver
shall be effective  unless in writing and then only as to the  specific  subject
waived.

         18.  Notice.  All Notices  to required  shall be  given to the parties
shall be  delivered  in accordance  with the  provisions  of Section 9.6 of the
Loan.  "Notice"  shall  include any request,  demand or
other communication.

         19.  Construction  and  Interpretation.  The Letters of Credit and this
Agreement  shall be  governed  by the laws of the State of Utah,  including  the
Uniform  Commercial  Code.  Unless  inconsistent  with Utah law,  the Letters of
Credit and this  Agreement  are subject to the terms of the Uniform  Customs and
Practice for Documentary Credits (1993 Revision),  the International  Chamber of
Commerce  Publication  No. 500  ("UCP"),  as hereby  expressly  incorporated  by
reference.

         20.  Assigns.  This Agreement  is  binding  upon  the  parties   hereto
and  their   respective successors and assigns.

         21. Severability.  If any term or provision set forth in this Agreement
shall be invalid or  unenforceable,  the  remainder  of this  Agreement,  or the
application of such terms or provisions to persons or circumstances,  other than
those to which it is held  invalid or  unenforceable,  shall be construed in all
respects as if such invalid or unenforceable term or provision were omitted.

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         22.      ARBITRATION DISCLOSURES:

          A.   ARBITRATION   IS  FINAL  AND   BINDING  ON   BORROWER   AND  BANK
               (COLLECTIVELY,  THE  "PARTIES")  AND SUBJECT TO ONLY VERY LIMITED
               REVIEW BY A COURT.

          B.   IN ARBITRATION THE PARTIES ARE WAIVING THEIR RIGHT TO LITIGATE IN
               COURT, INCLUDING THEIR RIGHT TO A JURY TRIAL.

          C.   DISCOVERY IN ARBITRATION IS MORE LIMITED THAN DISCOVERY IN COURT.

          D.   ARBITRATORS ARE NOT REQUIRED TO INCLUDE FACTUAL FINDINGS OR LEGAL
               REASONING  IN  THEIR   AWARDS.   THE  RIGHT  TO  APPEAL  OR  SEEK
               MODIFICATION OF ARBITRATORS' RULINGS IS VERY LIMITED.

          E.   A PANEL OF ARBITRATORS  MIGHT INCLUDE AN ARBITRATOR WHO IS OR WAS
               AFFILIATED WITH THE BANKING INDUSTRY.

          F.   IF YOU HAVE QUESTIONS ABOUT ARBITRATION, CONSULT YOUR ATTORNEY OR
               THE AMERICAN ARBITRATION ASSOCIATION.

         (a) Any claim or controversy  ("Dispute")  between or among the Parties
and their  assigns,  including  but not  limited to  Disputes  arising out of or
relating to the Letters of Credit,  this Agreement,  this arbitration  provision
("arbitration clause"), or any related agreements or instruments relating hereto
or delivered in connection herewith ("Related Documents"), and including but not
limited to a Dispute  based on or arising  from an  alleged  tort,  shall at the
request of any Party be resolved by binding  arbitration in accordance  with the
applicable  arbitration  rules of the  American  Arbitration  Association  ("the
Administrator").  The  provisions of this  arbitration  clause shall survive any
termination,   amendment,  or  expiration  of  this  Agreement  or  the  Related
Documents.  The provisions of this arbitration  clause shall supersede any prior
arbitration  agreement  between or among the Parties.  If any  provision of this
arbitration  clause  should  be  determined  to  be  unenforceable,   all  other
provisions of this arbitration clause shall remain in full force and effect.

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                                       8

         (b) The arbitration  proceedings  shall be conducted in Salt Lake City,
Utah, at a place to be determined by the  Administrator.  The  Administrator and
the arbitrator(s) shall have the authority to the extent practicable to take any
action  to  require  the   arbitration   proceeding  to  be  completed  and  the
arbitrator(s)' award issued within one-hundred-fifty (150) days of the filing of
the Dispute with the Administrator.  The arbitrator(s)  shall have the authority
to impose  sanctions on any Party that fails to comply with time periods imposed
by the Administrator or the  arbitrator(s),  including the sanction of summarily
dismissing any Dispute or defense with prejudice.  The arbitrator(s)  shall have
the authority to resolve any Dispute regarding the terms of this Agreement, this
arbitration clause or the Related Documents,  including any claim or controversy
regarding the arbitrability of any Dispute.  All limitations  periods applicable
to any Dispute or defense,  whether by statute or agreement,  shall apply to any
arbitration  proceeding hereunder and the arbitrator(s) shall have the authority
to decide whether any Dispute or defense is barred by a limitations  period and,
if so, to  summarily  enter an award  dismissing  any Dispute or defense on that
basis. The doctrines of compulsory  counterclaim,  res judicata,  and collateral
estoppel  shall apply to any  arbitration  proceeding  hereunder so that a Party
must  state  as a  counterclaim  in the  arbitration  proceeding  any  claim  or
controversy  which  arises  out of the  transaction  or  occurrence  that is the
subject  matter of the  Dispute.  The  arbitrator(s)  may in the  arbitrator(s)'
discretion  and at the  request  of  any  Party:  (1)  consolidate  in a  single
arbitration  proceeding any other claim or controversy  involving  another Party
that is substantially  related to the Dispute where that other Party is bound by
an arbitration  clause with the Bank, such as borrowers,  guarantors,  sureties,
and owners of collateral; (2) consolidate in a single arbitration proceeding any
other claim or controversy that is substantially similar to the Dispute; and (3)
administer  multiple  arbitration  claims or  controversies  as class actions in
accordance  with  the  provisions  of  Rule 23 of the  Federal  Rules  of  Civil
Procedure.

         (c) The arbitrator(s) shall be selected in accordance with the rules of
the  Administrator  from  panels  maintained  by  the  Administrator.  A  single
arbitrator  shall have  expertise in the subject  matter of the  Dispute.  Where
three  arbitrators  conduct an  arbitration  proceeding,  the  Dispute  shall be
decided by a majority vote of the three  arbitrators,  at least one of whom must
have  expertise  in the  subject  matter of the Dispute and at least one of whom
must be a practicing  attorney.  The arbitrator(s) shall award to the prevailing
Party  recovery  of all costs and fees  (including  attorneys'  fees and  costs,
arbitration  administration  fees  and  costs,  and  arbitrator(s)'  fees).  The
arbitrator(s),  either during the pendency of the  arbitration  proceeding or as
part of the arbitration  award, also may grant provisional or ancillary remedies
including  but not  limited  to an  award  of  injunctive  relief,  foreclosure,
sequestration,  attachment,  replevin,  garnishment,  or  the  appointment  of a
receiver.

         (d)  Judgment  upon an  arbitration  award may be  entered in any court
having jurisdiction,  subject to the following limitation: the arbitration award
is binding  upon the Parties  only if the amount  does not exceed  Four  Million
Dollars  ($4,000,000.00);  if the award exceeds that limit, any Party may demand
the right to a court trial.  Such a demand must be filed with the  Administrator
within thirty (30) days following the date of the  arbitration  award; if such a
demand is not made within that time period,  the amount of the arbitration award
shall be binding.  The  computation of the total amount of an arbitration  award
shall  include  amounts  awarded  for  attorneys'  fees and  costs,  arbitration
administration fees and costs, and arbitrator(s)' fees.

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                                       9

         (e) No provision of this  arbitration  clause,  nor the exercise of any
rights  hereunder,  shall  limit the right of any Party to:  (1)  judicially  or
non-judicially  foreclose  against any real or personal  property  collateral or
other security;  (2) exercise self-help  remedies,  including but not limited to
repossession and setoff rights;  or (3) obtain from a court having  jurisdiction
thereover any  provisional  or ancillary  remedies  including but not limited to
injunctive   relief,   foreclosure,    sequestration,    attachment,   replevin,
garnishment,  or the appointment of a receiver.  Such rights can be exercised at
any time,  before or during initiation of an arbitration  proceeding,  except to
the extent such action is contrary to the  arbitration  award.  The  exercise of
such rights shall not  constitute a waiver of the right to submit any Dispute to
arbitration, and any claim or controversy related to the exercise of such rights
shall be a Dispute  to be  resolved  under the  provisions  of this  arbitration
clause. Any Party may initiate  arbitration with the Administrator;  however, if
any Party initiates litigation and another Party disputes any allegation in that
litigation,  the disputing Party--upon the request of the initiating Party--must
file a demand for arbitration with the Administrator and pay the Administrator's
filing fee.  The Parties may serve by mail a notice of an initial  motion for an
order of arbitration.

         (f) Notwithstanding  the  applicability  of  any  other  law  to  this
Agreement,  the  arbitration clause, or  Related Documents between or among  the
Parties,  the Federal  Arbitration Act, 9 U.S.C.ss.1 et seq., shall apply to the
construction and interpretation of this arbitration clause.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly  executed and  delivered by their  respective  officers or  representatives
thereto duly authorized as of the date first above written.

EVANS & SUTHERLAND                          ZIONS FIRST NATIONAL BANK
COMPUTER CORPORATION,
a Utah corporation

By: /s/ Mark Steele                         By:  /s/  Michael Brough
    ----------------------------                 --------------------------

Title: Vice President & Treasurer           Title: Vice PresidentSUPPLEMENTAL LETTER OF CREDIT
                           AND REIMBURSEMENT AGREEMENT

         SUPPLEMENTAL  LETTER  OF  CREDIT  AND  REIMBURSEMENT   AGREEMENT  (this
"Agreement")  dated  May  31,  2000  is  between  Evans  &  Sutherland  Computer
Corporation,  a Utah  corporation (the "Borrower") and Zions First National Bank
("Bank").  In consideration for Bank issuing additional  irrevocable  letters of
credit  during the term  provided in Section 2.6 of that certain Loan  Agreement
dated March 31, 2000 by and between Borrower and Bank (the "Loan  Agreement") in
an aggregate  amount of not more than $3,000,000 in excess of the  $7,000,000.00
Sublimit set forth in the Loan Agreement (the  "Additional  Letters of Credit"),
Borrower and Bank agree to the following provisions:

         1.  Reimbursement. Borrower shall  reimburse  Bank, at Bank's office in
immediately  available United States currency,  the amount paid or to be paid by
Bank or  Bank's  agent,  or any party on  Bank's  behalf on each  draft or other
order,  instrument or demand drawn or presented under the Additional  Letters of
Credit (an "Item").  Items shall be reimbursed  on demand.  Upon full and timely
reimbursement  according to the terms of this Agreement and the Loan  Agreement,
the full face amount of the  Additional  Letters of Credit shall be available to
Borrower  throughout the remainder of the stated term of the Additional  Letters
of Credit.

         2. Commission and Charges.  Borrower agrees to pay Bank an issuance fee
in the  amount set forth in Section  2.6 of the Loan  Agreement,  payable on the
date of the  issuance  of such  Additional  Letter of Credit and any  subsequent
anniversary  of the date of  issuance.  Borrower  also  agrees to pay Bank (i) a
negotiation  fee in the  amount of 1/8% of the  amount of each draw  under  each
Additional  Letter of Credit,  payable on the date of such drawing,  and (ii) an
amendment  fee in the amount of $35.00  for each  amendment  to each  Additional
Letter of Credit, payable on the effective date of each such amendment.

         3.  Interest.   Borrower  shall  pay  Bank  on  demand  interest  at  a
fluctuating  rate  (equal  to the rates  set  forth in  Section  2.2 of the Loan
Agreement) on any reserved amount of the proceeds of the Loan extended  pursuant
to the Loan Agreement which bears interest in accordance with Section 2.6 of the
Loan  Agreement,  until such drawn amount is fully repaid  pursuant to Section 1
above.

         4.  Set  Off.   Borrower  authorizes  Bank  to  charge  any  account or
other funds in  Bank's possession for the payment of the Liabilities (as defined
in Section 8 of this Agreement).

         5. Continuation of Liability.  Regardless of the expiration date of any
Additional Letter of Credit, Borrower shall remain liable hereunder for any draw
or  payment  made by Bank  under the  Additional  Letter of  Credit,  (i) timely
received but paid by the Bank within ten (10) days after the expiration  date of
the Additional  Letter of Credit; or (ii) paid by Bank pursuant to an order of a
court of competent jurisdiction; or (iii) as otherwise authorized by Borrower.

<PAGE>

         6.  Documentation.  Unless  specified to the contrary in any Additional
Letter of Credit  application,  or any  amendment  to any  Additional  Letter of
Credit,  Borrower  agrees  that Bank and Bank's  correspondents  may receive and
accept (a) any Items or  documents  otherwise  in order,  issued or  purportedly
issued  by  an  agent,  executor,  trustee  in  bankruptcy,  receiver  or  other
representative  of the party who is authorized  under such Additional  Letter of
Credit to issue such items or other  documents,  as complying  with the terms of
such Additional Letter of Credit and (b) documents which comply with the UCP (as
defined in Section 19 of this  Agreement).  The  provisions  of clause (a) above
shall in no way be deemed to preclude the  beneficiary of any Additional  Letter
of Credit from issuing and presenting Items or documents under the terms of such
Additional Letter of Credit.

         Borrower agrees to indemnify and hold Bank harmless from each and every
claim, demand, liability,  loss, cost or expense (including, but not limited to,
reasonable  attorneys'  fees and legal  costs)  which may arise or be created by
Bank's  acceptance of  telecommunication  instructions  in  connection  with any
Additional  Letter  of  Credit,   including,  but  not  limited  to,  telephonic
instructions in connection with any waiver of discrepancies.

         7.  Increased  Cost/Taxes.  If,  as a  result  of  any  governing  law,
regulation, treaty or directive, or any change therein, or in the interpretation
or application  thereof or compliance with any request or directive  (whether or
not having the force of law) from any court or governmental authority, agency or
instrumentality,  any reserve,  premium,  special deposit, special assessment or
similar  requirements  against Bank's  assets,  deposits with Bank or for Bank's
account, or credit extended by Bank, are imposed,  modified or deemed applicable
and Bank  reasonably  determines  that, by reason  thereof,  the cost to Bank of
issuing or maintaining the Additional  Letters of Credit is increased,  Borrower
agrees to pay Bank upon demand (which demand shall be accompanied by a statement
setting forth the basis for the calculation  thereof) such additional  amount or
amounts as will compensate Bank for such additional cost. Determinations by Bank
for purposes of this Section of the  additional  amounts  required to compensate
Bank in respect of the foregoing  shall be conclusive,  absent  manifest  error.
Borrower  further agrees to pay any applicable  levies or other taxes imposed in
connection  with the  Additional  Letters of Credit  other than net income taxes
payable by Bank,  and  otherwise  comply with all  domestic and foreign laws and
regulations  applicable  to all  transactions  under or in  connection  with the
Additional Letters of Credit.

         8.  Collateral.  As security for the  performance of all obligations of
this  Agreement,  Borrower has conveyed  security  interests in certain real and
personal  property  described  in and  evidenced by those  instruments  executed
concurrently  with the Loan  Agreement as set forth in Section 2.4 therein,  and
certain  Investment  Property held in Bank's managed  account no. 2587850 as set
forth in that certain Managed Agency Account Assignment  Agreement.  In addition
thereto, Borrower hereby pledges (a) all balances,  credits, deposits,  accounts
or moneys now or hereafter held by Bank which Borrower owns or in which Borrower
may have an interest, (b) all Items, all shipping documents, warehouse receipts,
policies or  certificates  of  insurance  and other  documents  accompanying  or
relating to any Items, and all property covered by any such documents or shipped

                                       2

<PAGE>

or stored under or in  connection  with any  Additional  Letter of Credit or any
Items (whether or not such documents or property is released to Borrower or upon
Borrower's request), and (c) all dividends,  distributions and other right in or
with respect to, and  substitutions for and products and proceeds of, any of the
foregoing (being referred to collectively as the "Collateral").

         In addition,  Borrower hereby incorporates all of Borrower's  covenants
and obligations concerning the collateral as set forth in the Loan Agreement and
the other Loan Documents  identified  therein,  as well as those provided in the
Managed Agency Account Agreement.  The security interest granted by this Section
shall continue,  and the provisions of any this  Agreement,  the Loan Agreement,
and any other  instrument or document which secures the  Liabilities in favor of
Bank shall continue,  until such time as all Liabilities  have been paid in full
and discharged and this Agreement has been terminated.

         9.  Risks/Indemnification.  Borrower agrees that any action or omission
by Bank  under or in  connection  with any  Additional  Letter  of Credit or any
Items,  documents or property shall,  unless in breach of good faith, be binding
on Borrower  and shall not put Bank under any  resulting  liability to Borrower.
Borrower  will  indemnify  Bank and hold Bank harmless from and against each and
every  claim,  demand,  liability,  loss,  cost or expense  (including,  but not
limited to,  reasonable  attorneys'  fees and legal  costs) to which Bank may be
subjected or which Bank may incur by reason of any such action or  omission,  or
by reason of any action taken  pursuant to this  Agreement  (including,  but not
limited  to, by  reason  of (i) Bank  honoring  Borrower's  request  not to make
payment under any Item or (ii)  Borrower's  actions to restrain Bank from making
payment under any Item),  unless in breach of good faith. In no event shall Bank
be liable for incidental,  consequential or special damages. The indemnities and
obligations  of Borrower  contained in this Section shall survive the payment in
full of amounts  payable to Sections 1 through 3 hereof and  termination  of the
Additional Letters of Credit.

         10.  Discrepancies.  Borrower  will  promptly  examine the copy of each
Additional  Letter of Credit (and any  amendments  thereto)  sent to Borrower by
Bank, as well as any and all  instruments  and  documents  delivered to Borrower
from time to time,  and, in the event  Borrower has any claim of  non-compliance
with Borrower's instructions or of discrepancies or other irregularity, Borrower
will immediately notify Bank thereof in writing,  and Borrower will conclusively
be deemed to have waived any such claim against Bank unless such notice is given
within two business days.

         11. Exculpation. In addition to the exculpatory provisions contained in
the UPC (as defined hereafter in Section 19), Bank or its  correspondents  shall
not be responsible for, and Borrower's obligation to reimburse Bank shall not be
affected by: (a) compliance  with any laws,  customs or regulations in effect in
countries of  negotiation  or payment of any  Additional  Letter of Credit;  (b)
failure of any Item to refer adequately to any Additional  Letter of Credit,  or
failure of documents to accompany any Item at negotiation/payment, or failure to
note the amount of any Item on the reverse of such  Additional  Letter of Credit
or to  surrender  or to take up such  Additional  Letter of Credit or to forward

                                       3

<PAGE>

required  documents with Items, each of which  provisions,  if contained in such
Additional  Letter of Credit itself, it is agreed may be waived by Bank, (c) any
refusal by Bank to honor  Items  because of an  applicable  law,  regulation  or
ruling of any governmental  agency whether valid or invalid, or now or hereafter
in effect,  (d) acts or the  failure to act of Bank's  agents or  correspondents
including,  but not limited to, their  failure to pay Items  because of any law,
decree,  regulation,   ruling  or  interpretation  of  any  governmental  agency
(domestic or  foreign),  (e) the identity of any  transferee  of any  Additional
Letter of Credit or the sufficiency of the transfer if such Additional Letter of
Credit is transferable,  (f) the use which may be made of any Additional  Letter
of  Credit  or any  acts  or  omissions  by any  beneficiary  of  transferee  in
connection  therewith,  or (g)  the  validity,  sufficiency  or  genuineness  of
documents,  or of any endorsements  thereon, even if such documents should prove
to be in any or all respects invalid, insufficient, fraudulent or forged.

         In  furtherance  of, and not in limitation of the  foregoing,  Bank may
accept   documents   that  appear  on  their  face  to  be  in  order,   without
responsibility   for  further   investigation,   regardless  of  any  notice  or
information to the contrary.

         Bank shall not be liable or responsible for (a) the time, place, manner
or order in which  shipment  is made or  partial  or  incomplete  shipment,  (b)
insurance of any property or any risk  connected  with  insurance,  (c) delay in
arrival or failure to arrive of any property or any documents  relating thereto,
(d) delay in giving or  failure to give  notice of arrival or any other  notice,
(e) the validity,  form, sufficiency,  accuracy,  genuineness,  falsification or
legal effect of any documents,  or the validity,  genuineness,  falsification or
legal effect of any Items,  (f) general or particular  conditions  stipulated in
documents or superimposed  thereon, (g) the description,  existence,  character,
quantity, weight, quality,  condition,  packing, shipment,  arrival, delivery or
value  of  any  property  purportedly  represented  by  any  documents,  or  any
difference  therein  from  that  expressed  in the  documents,  (h) the  acts or
omissions, good faith, solvency, performance or standing of any vendor, shipper,
issuer,  consignor,  carrier,  insurer, user of the Additional Letter of Credit,
correspondent  or other bank  (whether or not  selected by Bank) or anyone else,
(i) loss of, or errors,  omissions,  interruptions  or delays in transmission or
delivery  of, any  messages,  letters or documents  by mail,  cable,  telegraph,
telex,  facsimile or otherwise and whether or not in cipher, (j) the translation
of, or errors in translation or  interpretation  of, credit or technical  terms,
(k) transmission of credit terms without  translating  them, or (l) consequences
arising  out of acts of God,  interruptions  of  communication  facilities,  war
disturbances,  abnormal or emergency  conditions,  or other causes beyond Bank's
control, or out of strikes or lockouts and none of the foregoing shall affect or
impair,  or  prevent  the  vesting  of any of  Bank's  rights  and  remedies  or
Borrower's obligations hereunder.

         12. Costs and Expenses. Borrower agrees to pay on demand all reasonable
costs and expenses  (including,  but not limited to, reasonable  attorney's fees
and legal costs) in connection with (i) the Additional Letters of Credit or this
Agreement or its  enforcement  or (ii) any action or proceeding  restraining  or
seeking to restrain  Bank from  paying,  or seeking to compel  Bank to pay,  any
amount under any Additional Letter of Credit.

                                       4

<PAGE>

         13. Amendments and/or  Modification of Additional Letters of Credit. If
Borrower  requests  Bank to  increase  the  amount of any  Additional  Letter of
Credit, extend or renew any Additional Letter of Credit, or otherwise modify the
terms of any Additional  Letter of Credit,  Borrower  agrees that this Agreement
shall  continue to bind Borrower with respect to any action taken by Bank or any
of its  correspondents in accordance with such increase,  extension,  renewal or
other modification.

         14. Events of Default.  The  occurrence of any of the following  events
shall constitute an "Event of Default" hereunder: (a) Borrower shall fail to pay
any amount  payable under this  Agreement  when due; (b) Borrower  shall fail to
perform or observe  any other  term,  covenant or  agreement  contained  in this
Agreement;  (c) the  filing  by or  against  Borrower  or any  guarantor  of the
Liabilities   ("Guarantor")   of  a  request  or   petition   for   liquidation,
reorganization,  arrangement,  adjustment of debts,  adjudication as a bankrupt,
relief as debtor or other relief  under the  bankruptcy,  insolvency  or similar
laws of the  United  States or any state or  territory  thereof  or any  foreign
jurisdiction,  now or  hereafter  in  effect;  (d)  the  making  of any  general
assignment  by  Borrower or any  Guarantor  for the  benefit of  creditors;  the
appointment of a receiver or trustee for Borrower or any  Guarantor,  or for any
assets  of  Borrower  or  any  Guarantor  including,   without  limitation,  the
appointment of or taking possession by a "custodian",  as defined in the federal
Bankruptcy  Code or  otherwise;  the  making of any,  or  sending  notice of any
intended bulk sale; or the  institution by or against  Borrower or any Guarantor
of any other type of insolvency  proceeding under the federal Bankruptcy Code or
otherwise,  or of any  formal or  informal  proceeding  for the  dissolution  or
liquidation or settlement of claims against or winding up of affairs of Borrower
or any Guarantor;  (e) any provision of this Agreement shall at any time for any
reason  cease to be valid and  binding on  Borrower,  or shall be declared to be
null and void, or the validity or  enforceability  thereof shall be contested by
Borrower,  or a  proceeding  shall be commenced  by any  governmental  agency or
authority having  jurisdiction over Borrower seeking to establish the invalidity
or  unenforceability  thereof, or Borrower shall deny that it has any or further
liability or  obligation  under this  Agreement;  or (f) any default shall occur
under any agreement by and among Borrower and Bank.

         If any Event of Default  shall have  occurred and be  continuing,  Bank
may: (a) by written  notice to Borrower  direct  Borrower to pay  immediately to
Bank an amount equal to Bank's potential  liability under all Additional Letters
of Credit,  whether or not any Item shall have been  presented  thereunder;  (b)
offset any funds of Borrower held by Bank; (c) pursue any other remedy available
to it under this  Agreement,  the Loan Agreement or pursuant to the terms of any
other documents executed in accordance herewith; or (d) take any and all actions
with respect to the Collateral as allowed by applicable law.

         15.  Documents.  Borrower  agrees that (a) Bank may accept as "bills of
lading" under  Additional  Letters of Credit any documents issued or purportedly
issued by or on behalf of any carrier which acknowledge  receipt of property for
transportation, whatever the specific provisions of such documents, (b) Bank may
accept  as  documents  of  insurance  either  insurance  policies  or  insurance
certificates,  (c) Bank may accept as sufficient and controlling the description

                                       5

<PAGE>

of any  property  contained  in any  invoice  notwithstanding  that any bills of
lading,  insurance or other documents (which Bank may also accept) may contain a
description  different  from that  contained in such  invoice,  and (d) Bank may
accept  any  document  containing  stamped,  written or  typewritten  provisions
thereon,  whether or not signed or initialed,  and may assume  conclusively that
the same were placed with  authority on the document at the time of its issuance
by the carrier or other issuer or any agent thereof.

         16.  Release of Documents or Property.  In the event that Bank receives
some but not all of the  documents  against  which  drawings may be made and, at
Borrower's request,  Bank delivers such documents to Borrower or to anyone else,
or in the event that Bank,  at Borrower's  request,  releases or consents to the
release of some or all of the property shipped or purported to have been shipped
under any Additional  Letter of Credit prior to the presentation of the relative
Item, Borrower agrees to pay Bank on demand the amount of any claim made against
Bank by  reason  thereof  and  authorizes  Bank to honor  such  Item  when it is
presented  regardless  of  whether  or not such Item or any  document  which may
accompany it complies with the terms of such Additional Letter of Credit.

         17.  Delay and Waiver.  No delay in the  exercise  of Bank's  rights or
remedies shall be deemed a waiver,  and no partial  exercise of Bank's rights or
remedies shall preclude the further  exercise of any right or remedy.  No waiver
shall be effective  unless in writing and then only as to the  specific  subject
waived.

         18.  Notice.  All  Notices to required  shall be given to the  parties
shall be delivered in accordance with the provisions of Section 9.6 of the Loan
Agreement.  "Notice" shall include any request, demand or other communication.

         19.  Construction and  Interpretation. The Additional Letters of Credit
and this Agreement shall be governed by the laws of the State of Utah, including
the Uniform  Commercial Code. Unless  inconsistent with Utah law, the Additional
Letters of Credit and this  Agreement  are  subject to the terms of the  Uniform
Customs and Practice for Documentary Credits (1993 Revision),  the International
Chamber  of  Commerce   Publication  No.  500  ("UCP"),   as  hereby   expressly
incorporated by reference.

         20.  Assigns.  This  Agreement is binding upon the  parties hereto and
their respective successors and assigns.

         21. Severability.  If any term or provision set forth in this Agreement
shall be invalid or  unenforceable,  the  remainder  of this  Agreement,  or the
application of such terms or provisions to persons or circumstances,  other than
those to which it is held  invalid or  unenforceable,  shall be construed in all
respects as if such invalid or unenforceable term or provision were omitted.

                                       6

<PAGE>

         22.   ARBITRATION DISCLOSURES:

               A.  ARBITRATION  IS  FINAL  AND  BINDING  ON  BORROWER  AND  BANK
               (COLLECTIVELY,  THE  "PARTIES")  AND SUBJECT TO ONLY VERY LIMITED
               REVIEW BY A COURT.

               B. IN ARBITRATION THE PARTIES ARE WAIVING THEIR RIGHT TO LITIGATE
               IN COURT, INCLUDING THEIR RIGHT TO A JURY TRIAL.

               C.  DISCOVERY IN  ARBITRATION  IS MORE LIMITED THAN  DISCOVERY IN
               COURT.

               D.  ARBITRATORS ARE NOT REQUIRED TO INCLUDE  FACTUAL  FINDINGS OR
               LEGAL  REASONING  IN THEIR  AWARDS.  THE  RIGHT TO APPEAL OR SEEK
               MODIFICATION OF ARBITRATORS' RULINGS IS VERY LIMITED.

               E. A PANEL OF  ARBITRATORS  MIGHT INCLUDE AN ARBITRATOR WHO IS OR
               WAS AFFILIATED WITH THE BANKING INDUSTRY.

               F. IF YOU HAVE QUESTIONS ABOUT ARBITRATION, CONSULT YOUR ATTORNEY
               OR THE AMERICAN ARBITRATION ASSOCIATION.

         (a) Any claim or controversy  ("Dispute")  between or among the Parties
and their  assigns,  including  but not  limited to  Disputes  arising out of or
relating to the Additional Letters of Credit,  this Agreement,  this arbitration
provision  ("arbitration  clause"),  or any related  agreements  or  instruments
relating hereto or delivered in connection herewith ("Related  Documents"),  and
including but not limited to a Dispute based on or arising from an alleged tort,
shall at the  request  of any  Party  be  resolved  by  binding  arbitration  in
accordance  with the applicable  arbitration  rules of the American  Arbitration
Association  ("the  Administrator").  The provisions of this arbitration  clause
shall survive any termination, amendment, or expiration of this Agreement or the
Related Documents. The provisions of this arbitration clause shall supersede any
prior arbitration  agreement  between or among the Parties.  If any provision of
this  arbitration  clause should be determined  to be  unenforceable,  all other
provisions of this arbitration clause shall remain in full force and effect.

         (b) The arbitration  proceedings  shall be conducted in Salt Lake City,
Utah, at a place to be determined by the  Administrator.  The  Administrator and
the arbitrator(s) shall have the authority to the extent practicable to take any
action  to  require  the   arbitration   proceeding  to  be  completed  and  the
arbitrator(s)' award issued within one-hundred-fifty (150) days of the filing of
the Dispute with the Administrator.  The arbitrator(s)  shall have the authority

                                       7

<PAGE>

to impose  sanctions on any Party that fails to comply with time periods imposed
by the Administrator or the  arbitrator(s),  including the sanction of summarily
dismissing any Dispute or defense with prejudice.  The arbitrator(s)  shall have
the authority to resolve any Dispute regarding the terms of this Agreement, this
arbitration clause or the Related Documents,  including any claim or controversy
regarding the arbitrability of any Dispute.  All limitations  periods applicable
to any Dispute or defense,  whether by statute or agreement,  shall apply to any
arbitration  proceeding hereunder and the arbitrator(s) shall have the authority
to decide whether any Dispute or defense is barred by a limitations  period and,
if so, to  summarily  enter an award  dismissing  any Dispute or defense on that
basis. The doctrines of compulsory  counterclaim,  res judicata,  and collateral
estoppel  shall apply to any  arbitration  proceeding  hereunder so that a Party
must  state  as a  counterclaim  in the  arbitration  proceeding  any  claim  or
controversy  which  arises  out of the  transaction  or  occurrence  that is the
subject  matter of the  Dispute.  The  arbitrator(s)  may in the  arbitrator(s)'
discretion  and at the  request  of  any  Party:  (1)  consolidate  in a  single
arbitration  proceeding any other claim or controversy  involving  another Party
that is substantially  related to the Dispute where that other Party is bound by
an arbitration  clause with the Bank, such as borrowers,  guarantors,  sureties,
and owners of collateral; (2) consolidate in a single arbitration proceeding any
other claim or controversy that is substantially similar to the Dispute; and (3)
administer  multiple  arbitration  claims or  controversies  as class actions in
accordance  with  the  provisions  of  Rule 23 of the  Federal  Rules  of  Civil
Procedure.

         (c) The arbitrator(s) shall be selected in accordance with the rules of
the  Administrator  from  panels  maintained  by  the  Administrator.  A  single
arbitrator  shall have  expertise in the subject  matter of the  Dispute.  Where
three  arbitrators  conduct an  arbitration  proceeding,  the  Dispute  shall be
decided by a majority vote of the three  arbitrators,  at least one of whom must
have  expertise  in the  subject  matter of the Dispute and at least one of whom
must be a practicing  attorney.  The arbitrator(s) shall award to the prevailing
Party  recovery  of all costs and fees  (including  attorneys'  fees and  costs,
arbitration  administration  fees  and  costs,  and  arbitrator(s)'  fees).  The
arbitrator(s),  either during the pendency of the  arbitration  proceeding or as
part of the arbitration  award, also may grant provisional or ancillary remedies
including  but not  limited  to an  award  of  injunctive  relief,  foreclosure,
sequestration,  attachment,  replevin,  garnishment,  or  the  appointment  of a
receiver.

         (d)  Judgment  upon an  arbitration  award may be  entered in any court
having jurisdiction,  subject to the following limitation: the arbitration award
is binding  upon the Parties  only if the amount  does not exceed  Four  Million
Dollars  ($4,000,000.00);  if the award exceeds that limit, any Party may demand
the right to a court trial.  Such a demand must be filed with the  Administrator
within thirty (30) days following the date of the  arbitration  award; if such a
demand is not made within that time period,  the amount of the arbitration award
shall be binding.  The  computation of the total amount of an arbitration  award
shall  include  amounts  awarded  for  attorneys'  fees and  costs,  arbitration
administration fees and costs, and arbitrator(s)' fees.

         (e) No provision of this  arbitration  clause,  nor the exercise of any
rights  hereunder,  shall  limit the right of any Party to:  (1)  judicially  or
non-judicially  foreclose  against any real or personal  property  collateral or

                                       8

<PAGE>

other security;  (2) exercise self-help  remedies,  including but not limited to
repossession and setoff rights;  or (3) obtain from a court having  jurisdiction
thereover any  provisional  or ancillary  remedies  including but not limited to
injunctive   relief,   foreclosure,    sequestration,    attachment,   replevin,
garnishment,  or the appointment of a receiver.  Such rights can be exercised at
any time,  before or during initiation of an arbitration  proceeding,  except to
the extent such action is contrary to the  arbitration  award.  The  exercise of
such rights shall not  constitute a waiver of the right to submit any Dispute to
arbitration, and any claim or controversy related to the exercise of such rights
shall be a Dispute  to be  resolved  under the  provisions  of this  arbitration
clause. Any Party may initiate  arbitration with the Administrator;  however, if
any Party initiates litigation and another Party disputes any allegation in that
litigation,  the disputing Party--upon the request of the initiating Party--must
file a demand for arbitration with the Administrator and pay the Administrator's
filing fee.  The Parties may serve by mail a notice of an initial  motion for an
order of arbitration.

         (f) Notwithstanding  the  applicability  of  any  other  law  to  this
Agreement, the arbitration  clause, or Related  Documents  between or among the
Parties, the Federal  Arbitration Act, 9 U.S.C.ss.1 et seq., shall apply to the
construction and interpretation of this arbitration clause.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly  executed and  delivered by their  respective  officers or  representatives
thereto duly authorized as of the date first above written.

EVANS & SUTHERLAND                          ZIONS FIRST NATIONAL BANK
COMPUTER CORPORATION,
a Utah corporation

By: /s/ Richard Gaynor                      By: /s/ Michael Brough
    -------------------------------             ---------------------------

Title: Vice President and CFO               Title: Vice President
       ----------------------------                ------------------------

                                       9

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