Document:

EMPLOYMENT AGREEMENT

     BY  THIS AGREEMENT, SPORTAN UNITED INDUSTRIES, INC. commonly referred to in
this  agreement as Employer, located at 3170 Old Houston Rd., Huntsville, Texas,
employs  Kay  L.  Ekis  commonly  referred  to in this agreement as Employee who
accepts  employment  on  the  following  terms  and  conditions:

                                    ARTICLE 1
                               TERMS OF EMPLOYMENT

     1.01.     By  this agreement Employer employs the Employee, Kay L. Ekis, as
Accounting/Office Manager, and the Employee accepts employment with the Employer
for  a  period  of  three  (3) years beginning on the thirtieth day of September
2000.

                                    ARTICLE 2
                                  COMPENSATION

     2.01.     As  compensation  for services rendered under this agreement, the
Employee  shall  be  paid  by  the Employer according to the following schedule:

               Base  Salary  of  $33,000  per  year.

Such  salary  should  be  paid  on  the  1st  and  16th  of  each  month.

     2.02.     Upon  execution  of  this  agreement, Employer and Employee shall
enter  into  a  Stock Option agreement, which is attached hereto as Exhibit "A",
pursuant  to  which Employer grants Employee options (the "Options") to purchase
100,000 shares of common stock ("Common Stock") per year at market value at year
end.

     2.03.     Upon  execution  of  this  agreement, Employer and Employee shall
enter  into  a Sign Up Bonus agreement, which is attached hereto as Exhibit "B",
pursuant  to  which  Employer  grants  Employee $15,000 payable according to the
following  schedule:

               (a)     $1,500 payable on or before November 15, 2000;

               (b)     $2,000 payable on or before January 15, 2001:

               (c)     The $11,500  balance  is  payable after future funding is
                       received by Sportan.

<PAGE>
If  Sportan  is in default on the Sign Up Bonus, Mr. Jason G. Otteson personally
guarantees  any  unpaid  Sign  Up  Bonus  balance  due  to Kay L. Ekis, which is
attached  hereto  as  Exhibit  "C".

                                    ARTICLE 3
                             BENEFITS AND INSURANCE

     3.01.     Effective  immediately  and continuing throughout all of the term
hereof,  Employee  shall  be  eligible  for  major  medical and dental insurance
coverage offered by Employer.  The Employee shall reimburse the Employer for any
additional  premiums  caused  from  the  Employee's  dependents.

     3.02.     The  Employee is authorized to incur reasonable business expenses
for  promoting the business of the Employer, which are pre-approved by Employer,
including  expenditures  for  entertainment  and  travel.

     3.03.     Employee shall be entitled to two weeks paid vacation during each
year of this agreement.  After five years of continuous employment, the Employee
shall  be entitled to three weeks of vacation; and after ten years of continuous
employment  the  Employee  shall  be  entitled  to  four  weeks  of  vacation.

                                    ARTICLE 4
                                 CONFIDENTIALITY

     4.01.     In  the course of the performance of Employee's duties hereunder,
Employee  recognizes  and  acknowledges that Employee may have access to certain
confidential  and  proprietary information of Employer or any of its affiliates.
Without  the  prior written consent of Employer, Employee shall not disclose any
such confidential or proprietary information to any person or firm, corporation,
association, or other entity for any reason or purpose whatsoever, and shall not
use  such  information,  directly or indirectly, for Employee's own behalf or on
behalf  of  any  other  party.  Employee  agrees  and  affirms  that  all  such
information  is the sole property of Employer and that at the termination and/or
expiration  of  this  agreement,  at  Employer's written request, Employee shall
promptly  return  to  Employer  any  and  all  such  information so requested by
Employer.

          The provisions of this Section 4 shall not, however, prohibit Employee
from  disclosing  to  others  or  using  in  any  manner  information  that:

          (a)  has been  published or has become part of the public domain other
               than by acts, omissions or fault of Employee;

<PAGE>
          (b)  has been  furnished  or made known to Employee  by third  parties
               (other than those acting  directly or indirectly for or on behalf
               of Employee) as a matter of legal right  without  restriction  on
               its use or disclosure;

          (c)  was in  the  possession  of  Employee  prior  to  obtaining  such
               information  from Employer in connection  with the performance of
               this agreement; or

          (d)  is required to be disclosed by law.

                                    ARTICLE 5
                                   TERMINATION

     5.01.     This  agreement  and  the  employment relationship created hereby
will  terminate (i) upon the death or disability of Employee under section 5 (a)
or  5  (b);  (ii)  with  cause  under Section 5 (c); (iii) for good reason under
Section  5 (d); or (iv) upon the voluntary termination of employment by Employee
under  Section  5  (e).

          (a)  DISABILITY.  Employer  shall  have  the  right to  terminate  the
               employment of the Employee under this agreement for disability in
               the event Employee suffers an injury,  illness,  or incapacity of
               such character as to  substantially  disable him from  performing
               his duties without reasonable accommodation by Employer hereunder
               for a period  of more  than  thirty  (30)  consecutive  days upon
               Employer  giving  at least  thirty  (30) days  written  notice of
               termination.

          (b)  DEATH.  This  agreement  will  terminate  on  the  Death  of  the
               Employee.

          (c)  WITH CAUSE.  Employer may  terminate  this  agreement at any time
               because  of (i)  Employee's  material  breach  of any term of the
               agreement,  (ii) the  determination  by the Board of Directors in
               the  exercise  of  its  reasonable  judgment  that  Employee  has
               committed  an act or acts  constituting  a felony or other  crime
               involving moral turpitude, dishonesty or theft or fraud; or (iii)
               Employee's  gross  negligence  in the  performance  of his duties
               hereunder.

          (d)  GOOD REASON.  The Employee may terminate his employment for "Good
               Reason" if:

               (i)  he is assigned,  without his express  written  consent,  any
                    duties materially  inconsistent with his positions,  duties,
                    responsibilities,  or status  with  Employer  as of the date
                    hereof,  or a change in his  reporting  responsibilities  or
                    titles as in effect as of the date hereof;

               (ii) his compensation is reduced; or

<PAGE>
               (iii)Employer  does not pay any material  amount of  compensation
                    due  hereunder  and then  fails  either  to pay such  amount
                    within  the  ten  (10)  day  notice   period   required  for
                    termination  hereunder  or to  contest  in good  faith  such
                    notice.  Further,  if such  contest is not  resolved  within
                    thirty (30) days,  Employer  shall  submit  such  dispute to
                    arbitration under Section 13.

          (e)  VOLUNTARY TERMINATION.  The Employee may terminate his employment
               voluntarily.

          (f)  WITHOUT  CAUSE.  Employer may terminate  this  Agreement  without
               cause.

                                    ARTICLE 6
                    OBLIGATIONS OF EMPLOYER UPON TERMINATION

     6.01.     (a)     In  the event of the termination of Employee's employment
pursuant  to Section 5 (c) (with cause) or (e) (voluntary termination), Employee
will be entitled only to the compensation earned by him hereunder as of the date
of  such  termination  (plus  life  insurance  or disability benefits), plus the
rights  to  those  Options  that  have  vested  as  of  the  termination  date.

          (b)     In  the  event  of  the  termination  of Employee's employment
pursuant  to  Section 5 (a) (disability) or (b) (death), Employee, or Employee's
heirs  will  be  entitled only to the compensation earned by him hereunder as of
the  date of such termination (plus life insurance or disability benefits), plus
the rights to all Options, vested or not vested, under the same terms as if this
Agreement  was  not  terminated.

          (c)     In  the  event  of  the  termination  of Employee's employment
pursuant to Section 5 (d) (good reason) or (f) (without cause), Employee will be
entitled to receive as severance pay, one month notice and two week severance of
Employee's  Base  salary  at  such  time  as  this  Agreement is terminated, and
Employee  shall  have the rights to all Options, vested or not vested, under the
same  terms  as  if  this  Agreement  had  not  terminated.

                                    ARTICLE 7
                                CHANGE IN CONTROL

     Effect  of  Employer's  Merger,  Transfer  of  Assets,  or  Dissolution:

     7.01.     This  agreement  shall  not  be  terminated  by  any:

     (a)  Merger or  consolidation  when the Employer is not the consolidated or
          surviving corporation.

<PAGE>
     (b)  Transfer of all or substantially all of the assets of the Employer.

     (c)  Voluntary or involuntary dissolution of the Employer.

     In  the event of any such merger, consolidation, or transfer of assets, the
surviving  or  resulting  corporation or the transferee of the Employer's assets
shall be bound by and shall have the benefit of the provisions of this agreement
and  this  agreement shall automatically renew for a period of three years under
the same terms and conditions.  The Employer shall take all actions necessary to
insure  that  such  corporation or transferee is bound by the provisions of this
agreement.

                                    ARTICLE 8
                                WAIVER OF BREACH

     8.01.     The  waiver  by  any party hereto of a breach of any provision of
this  agreement  will  not operate or be construed as a waiver of any subsequent
breach  by  any  party.

                                    ARTICLE 9
                                 INDEMNIFICATION

     9.01.     Employer  shall  to  the  full  extent permitted by law or as set
forth  in  the  Amended and Restated Articles of Incorporation and the Bylaws of
the  Company,  indemnify, defend and hold harmless Employee from and against any
and  all  claims,  demands, liabilities, damages, losses and expenses (including
reasonable  attorney's  fees,  court costs and disbursements) arising out of the
performance  of his duties hereunder except in the case of a willful misconduct.

                                   ARTICLE 10
                                     NOTICES

     10.01.     Any  notices,  consents,  demands, requests, approvals and other
communications  to  be  given  under this agreement by either party to the other
will  be  deemed  to  have  been  duly  given if given in writing and personally
delivered  or  within two days if sent by mail, registered or certified, postage
prepaid  with  return  receipt  requested,  as  follows:

               If to Employer:          Sportan United Industries, Inc.
                                        3170  Old  Houston  Rd.
                                        Huntsville, Texas 77340
                                        Attention:  Jason G. Otteson

<PAGE>
               If to Employee:          Kay  L.  Ekis
                                        1602 13th Street
                                        Huntsville, Texas 77340

     Notices  delivered  personally  will  be  deemed  communicated as of actual
receipt.

                                   ARTICLE 11
                                ENTIRE AGREEMENT

     11.01.     This agreement and the agreements contemplated hereby constitute
the  entire  agreement  of  the parties regarding the subject matter hereof, and
supersede  all  prior agreements and understanding, both written and oral, among
the  parties,  or  any  of  them,  with  respect  to  the subject matter hereof.

                                   ARTICLE 12
                                  SEVERABILITY

     12.01.     If  any  provision  of  this  agreement  is  held to be illegal,
invalid  or  unenforceable  under  present  or future laws effective during this
agreement,  such  provision  will  be fully severable and this agreement will be
construed  and  enforced  as if such illegal, invalid or unenforceable provision
never  comprised  a part hereof; and the remaining provisions hereof will remain
in  full  force  and  effect and will not be affected by the illegal, invalid or
unenforceable  provision  or by its severance herefrom.  Furthermore, in lieu of
such  illegal,  invalid  or  unenforceable  provision  there  will  be  added
automatically  as  part of this agreement a provision as similar in its terms to
such  illegal,  invalid  or  unenforceable  provision  as may be possible and be
legal,  valid  and  enforceable.

                                   ARTICLE 13
                                   ARBITRATION

     13.01.     If  a dispute should arise regarding this agreement, the parties
agree  that all claims, disputes, controversies, differences or other matters in
question  arising  out of this relationship shall be settled finally, completely
and  conclusively  by  arbitration  in  Huntsville, Texas in accordance with the
Commercial  Arbitration  Rules  of  the  American  Arbitration  Association (the
"Rules").  The  governing  law of this agreement shall be the substantive law of
the  State  of  Texas, without giving effect to conflict of laws.  A decision of
the  arbitrator shall be final, conclusive and binding on Employer and Employee.
Any  arbitration  held  in  accordance  with this paragraph shall be private and
confidential  and  no person shall be entitled to attend the hearings except the
arbitrator,  Employee,  Employee's  attorneys,  a  representative  of  Employer,
Employer's  attorneys,  and advisors to or witnesses for any party.  The matters
submitted to arbitration, the hearings and proceedings and the arbitration award

<PAGE>
shall  be  kept  and  maintained  in  the  strictest  confidence by Employee and
Employer  and  shall  not be discussed, disclosed or communicated to any persons
except  as  may be required for the preparation of expert testimony.  On request
of  any  party,  the  record  of  the  proceeding shall be sealed and may not be
disclosed  except  insofar, and only insofar, as may be necessary to enforce the
award  of  the  arbitrator and any judgement enforcing an award.  The prevailing
party  shall be entitled to recover reasonable and necessary attorneys' fees and
costs from the non-prevailing party and the determination of such fees and costs
and  the  award  thereof  shall  be included in the claims to be resolved by the
arbitrator  hereunder.

                                   ARTICLE 14
                                    CAPTIONS

     14.01.     The  captions in this agreement are for convenience of reference
only  and  will  not  limit  or  otherwise affect any of the terms or provisions
hereof.

                                   ARTICLE 15
                                GENDER AND NUMBER

     15.01.     When  the  context requires, the gender of all words used herein
will include the masculine, feminine and neuter and the number of all words will
include  the  singular  and  plural.

                                   ARTICLE 16
                                  COUNTERPARTS

     16.01.     This agreement may be executed in one or more counterparts, each
of which will be deemed an original and all of which will constitute one and the
same  instrument,  but  only  one  of  which  need  be  produced.

                                   ARTICLE 17
                             EMPLOYER AUTHORIZATION

     17.01.     Employer  represents  that  the  Board of Directors has approved
this  agreement.

<PAGE>
     IN WITNESS WHEREOF, the parties hereto have duly executed this agreement as
of  the  day  and  year  first  above  written.
                                                EMPLOYER:

                                                SPORTAN UNITED INDUSTRIES, INC.

                                                By: ____________________________
                                                     Jason G. Otteson, President

                                                EMPLOYEE:

                                                By: ___________________________
                                                    Kay L. Ekis

<PAGE>Exhibit 10.1
                                                                    ------------

                     SEVERANCE AGREEMENT AND GENERAL RELEASE
                     ---------------------------------------

This  severance  agreement  and general release (the "Agreement") by and between
Charles  J. Digate ("Executive") and MathSoft, Inc., currently doing business as
Insightful  Corporation  (the  "Company")  regarding Executive's separation from
employment  is  effective  as of February 5, 2001 in accordance with Section 12.

     For  good  and  valuable  consideration,  receipt  of  which  is  hereby
acknowledged,  the  parties  agree  as  follows:

     1.     Employment  Status:  Executive's  employment  as  the  President and
            ------------------
Chief  Executive  Officer  of  the  Company shall cease on January 31, 2001 (the
"Termination  Date").  As  of  the  Termination  Date,  Executive's  salary  and
benefits  will  cease,  and  any entitlement Executive has or might have under a
Company-provided  benefit  plan,  program  or practice will terminate, except as
required  by  federal  or state law, or as otherwise described below.  Executive
shall be paid all salary due through the Termination Date, and shall be entitled
to  receive  a  payment representing any earned but unused accrued vacation time
through  the Termination Date in accordance with the Company's standard vacation
policy.

     2.     Consideration:
            -------------

          (a)     Severance Payments: In consideration for Executive's execution
                  ------------------
of  this Agreement, including specifically the release provisions in Sections 4,
5  and  7,  the Company agrees to pay the Executive salary continuation payments
for  eighteen (18) months at the rate of $20,833.33 per month in accordance with
the  Company's normal payroll practices and policies in effect from time to time
following  the  Effective  Date,  as  defined below; provided, however, that the
Company  shall  not  be  obligated to make any payments pursuant to this Section
2(a)  during  any  period in which the Executive is in violation of the terms of
his  Confidential Information, Inventions and Non-Competition Agreement with the
Company.  All  amounts set forth in this Section 2 are subject to any applicable
federal,  state  and  local  deductions,  withholdings, payroll and other taxes.

          (b)     Health  Benefits:  The  Termination  Date  will  serve  as the
                  ----------------
"qualifying  event"  under the Consolidated Omnibus Budget Reconciliation Act of
1985 ("COBRA").  If Executive elects to continue medical and/or dental insurance
coverage  in  accordance  with  the  provisions  of  COBRA, under the same plans
available to active Company employees and under the same rules, restrictions and
regulations  applicable  thereto,  the  Company  shall  make premium payments on
Executive's  behalf  until  the  earlier  of the date which is (i) eighteen (18)
months  from the Termination Date (i.e., until July 31, 2002); (ii) the date the
Executive  secures  alternative  medical  insurance  coverage  from a subsequent
employer,  but  only  if such coverage is equal to or better than that currently
provided by MathSoft; or (iii) the date coverage would otherwise terminate under
COBRA.  The  Company  will  make  such  payments  directly  to  the  insurer for
coverage.  Thereafter,  Executive  will  be responsible for any and all payments
for  the  elected  period  of  continued  health insurance coverage under COBRA.
Executive  will  receive  additional  COBRA  information  under  separate cover.

<PAGE>
          (c)     EXERCISE  OF OPTIONS.  The Executive shall have three years to
                  --------------------
exercise  any then-exercisable, unexpired installments of any stock options held
by  the  Executive  on the Termination Date, or, if later, 90 days from the date
when  the  Executive  ceases  to  be  a  member of the Board of Directors of the
Company  or  otherwise  ceases  to  maintain  a "Business Relationship" with the
Company  as defined in the Company's Amended and Restated 1992 Stock Plan or any
successor  plan  (the  "Company  Plan").

     3.     SETTLEMENT  OF  AMOUNTS  DUE:  The amounts set forth above  shall be
            ----------------------------
complete  and unconditional payment, settlement, satisfaction and/or accord with
respect  to  all  obligations  and  liabilities  of the Releasees (as defined in
Section  5)  to  Executive, and with respect to all claims, causes of action and
damages  that  could  be  asserted  by Executive against the Releasees regarding
Executive's  employment  with,  change  in  employment  status  with,  and/or
termination from employment with the Company, including, without limitation, all
claims  for  wages,  wage  increases, salary, commissions, draws, incentive pay,
bonuses,  reasonable  business expenses, paid time off, stock and stock options,
severance  pay,  attorneys'  fees,  compensatory  damages, exemplary damages, or
other  compensation,  benefits,  costs  or  sums.

     4.     MEMBERSHIP  ON  THE  BOARD OF DIRECTORS:  The Company has requested,
            ---------------------------------------
and the Executive has agreed, that the Executive continue to serve  on the Board
of  Directors  of the Company.  The Executive shall continue to be considered to
be  maintaining a "business relationship" with the Company during such period of
service  as  defined  in  the  Company  Plan,  and any installments of any stock
options  held by the Executive on the termination of his employment that are not
exercisable  and  have  not  expired  shall  continue  to  become exercisable in
accordance  with  the  terms  of the relevant option agreements and option plans
during  such  period  of  service.

     5.     PROMISSORY  NOTE:  Notwithstanding anything in this Agreement or the
            ----------------
Letter Agreement (as defined below), that certain Promissory Note dated June 19,
2000  by  the  Executive  in  favor  of  the  Company in the principal amount of
$550,000  and  that  certain Pledge Agreement dated June 19, 2000 by and between
Executive and the Company (the "Note and Pledge Agreement") remain in full force
and  effect.

     6.     Release:
            -------

          (a)     General  Release:  In  exchange  for the payments and benefits
                  ----------------
described  in  Section  3 hereof, and other good and valuable consideration, the
receipt  of  which  is  hereby  acknowledged, Executive and his representatives,
agents,  estate,  heirs,  successors  and  assigns  ("Releasors") absolutely and
unconditionally  hereby  release, remise, discharge, indemnify and hold harmless
the  Releasees  (defined to include MathSoft, Inc., (currently doing business as
Insightful  Corporation)  its  predecessors,  parents,  subsidiaries, divisions,
affiliates,  successors  or assigns, and its and their respective current and/or
former  partners,  directors,  trustees,  investors,  stockholders,  officers,

                                        2
<PAGE>
employees,  attorneys and/or agents, all both individually and in their official
capacities)  from  any  and  all  actions  or  causes  of action, suits, claims,
complaints,  contracts,  liabilities,  agreements,  promises,  contracts, torts,
debts,  damages,  controversies, judgments, rights and demands, whether existing
or  contingent,  known  or  unknown, suspected or unsuspected, in law or equity,
which arise out of Executive's employment with, change in employment status with
and/or  termination of employment from the Company.  This release is intended by
Releasors  to  be all encompassing and to act as a full and total release of any
claims  Releasors  have,  may  have  or  have had against the Releasees from the
beginning of the World to the date of this Agreement, including, but not limited
to,  claims  under  any  federal,  state  or  local  constitution, statute, law,
ordinance,  bylaw  or  regulation  dealing  with  either  employment, employment
discrimination,  retaliation  and/or  employment  benefits  including,  without
limitation  those laws, statutes or regulations concerning discrimination on the
basis of race, color, marital status, creed, religion, age, sex, sex harassment,
sexual  orientation,  national origin, ancestry, handicap or disability, medical
or  genetic condition, veteran status or any military service or application for
military  service, or any category protected by federal, state or local law; any
federal,  state or local law or regulation concerning securities, stock or stock
options;  any  contract (specifically including Executive's Amended and Restated
Executive  Agreement  dated  as  of November 23, 1998), whether oral or written,
express  or  implied;  any  tort;  or  common  law.

          (b)     Release of Claims by Others:  Releasors not  only  release and
             -------------------------------
discharge  the  Releasees from any and all claims as stated above that Executive
could  make  on  his  own  behalf  or on behalf of others, but also specifically
waives any right to recover any damage awards as a member of any class in a case
in  which  any  claim(s)  against  the  Releasees are made involving any matters
concerning  Executive's  employment  or  termination  thereof and/or his (or his
family's)  ownership  of  Company  stock  or  stock  options.

     7.     Waiver  of  Rights/Claims Under the Age Discrimination in Employment
            --------------------------------------------------------------------
Act:
---

     Since Executive  is 40 years of age or older, he is hereby informed that he
has or might have specific rights and/or claims under the Age Discrimination and
Employment  Act  of  1967,  as  amended  (the  "ADEA"), and Executive agrees and
understands  that:

          (a)     in consideration of the amounts described in Section 2 of this
Agreement,  which  are  in  addition to anything of value to which he is already
entitled,  he  specifically  waives  any  rights and/or claims under ADEA to the
extent that such rights and/or claims arose prior to the date this Agreement was
executed;

          (b)     Executive  does  not waive any rights or claims under the ADEA
that  may  arise  after  the  date  this  Agreement  is  executed;

          (c)     Executive  is  hereby advised that he has 21-days within which
to  consider  this  Agreement's  terms  and  to consult with or seek advice from
counsel  prior  to  executing  this  Agreement;

          (d)     Executive  has  not  been  subject  to  any  undue or improper
influence  interfering with the exercise of his free will in deciding whether to
execute  this  Agreement;

          (e)     Executive  has read carefully and fully understands all of the
terms  set  forth  in this Agreement, and he knowingly and voluntarily agrees to
all  such  terms;  and

                                        3
<PAGE>
          (f)     the  21-day  review period will not be affected or extended by
any  revisions  which  might  be  made  to  this  Agreement.

     8.     Proprietary  and  Company Materials:  Except as agreed in writing by
            -----------------------------------
the  Company  and  the Executive pursuant to Executive's responsibilities as the
Chairman  of  the  Board  of  Directors, on the Termination Date, Executive will
return  to  the  Company  all  Company property and materials, including but not
limited  to,  personal  computers,  laptops,  fax  machines,  scanners, copiers,
cellular  phones,  Company  credit  cards  and  telephone charge cards, manuals,
building  keys  and  passes,  courtesy  parking  passes,  diskettes,  intangible
information  stored  on  diskettes, software programs and data compiled with the
use  of  those  programs,  software passwords or codes, tangible copies of trade
secrets  and  confidential  information, sales forecasts, names and addresses of
Company  customers  and  potential customers, customer lists, customer contacts,
sales  information,  sales  forecasts,  memoranda,  sales brochures, business or
marketing  plans,  reports,  projections,  and  any and all other information or
property  previously  or  currently  held  or  used  by Executive that is or was
related  to  Executive's  employment  with  the  Company  ("Company  Property").
Executive  agrees that in the event that he discovers any other Company Property
in  his  possession  after the Termination Date, he will immediately return such
materials  to  the Company.  Notwithstanding the foregoing, as the Executive and
Company  contemplate  an  ongoing  relationship,  Executive agrees to return any
Company  Property  in  his  possession  upon the cessation of his service on the
Board  of  Directors  of  the  Company.

     9.     Unknown Claims Released: Executive understands that in Paragraphs 4,
            -----------------------
6 and 7, he is releasing claims that he may not know about.  This is Executive's
knowing  and  voluntary  intent, even though he recognizes that someday he might
learn  that some or all of the facts he currently believes to be true are untrue
and  even  though  he  might  then  regret  having  signed  this  Agreement.
Nevertheless,  Executive  assumes that risk and agrees that this Agreement shall
remain  effective  in all respects in any such case.  Executive expressly waives
all  rights  he  might  have  under any law that is intended to protect him from
waiving  unknown  claims,  and  he  understands  the  significance  of doing so.

     10.     Non-Disparagement  and  Confidentiality:  Executive  agrees  not to
             ---------------------------------------
make  any  negative,  adverse  or  otherwise  detrimental remarks concerning the
Company's  employees,  officers,  directors, shareholders, business, operations,
technologies,  products,  services,  marketing  strategies,  pricing  policies,
management, affairs and financial condition.  The Company and its officers agree
not  to  make  any  negative, adverse or otherwise detrimental remarks regarding
Executive.  Executive  agrees  that he shall not divulge or publish, directly or
indirectly,  any  information  whatsoever  regarding  the  substance,  terms  or
existence  of  this Agreement and/or any discussions relating to this Agreement,
to  any  person  or  organization  other  than Executive's attorney, accountant,
financial  advisor or members of Executive's immediate family until such time as
Company  shall have disclosed such Agreement in a filing with the Securities and
Exchange Commission if required.  Nothing herein shall prohibit or bar Executive
from  providing  truthful  testimony in any legal proceeding or in communicating
with  any  governmental  agency  or  representative  or from making any truthful
disclosure  required,  authorized or permitted under law; provided however, that
in  providing  such  testimony  or  making  such  disclosures or communications,
Executive will use his best efforts to ensure that this Section is complied with
to  the  maximum  extent  possible.

                                        4
<PAGE>
     11.     Nonadmission:  Nothing  in  this Agreement nor any of its terms and
             ------------
provisions,  nor  any  of  the  negotiations  or  proceedings connected with it,
constitutes,  will  be  construed to constitute, will be offered in evidence as,
received  in  evidence  as  and/or  deemed  to  be  evidence  of an admission of
liability  or  wrongdoing  by  any  and/or  all  of  the Releasees, and any such
liability  or  wrongdoing  is  hereby expressly denied by each of the Releasees.

     12.     Representations  and  Governing  Law:
             ------------------------------------

     (a)     This  Agreement  sets forth the complete and sole agreement between
the  parties  and supersedes any and all other agreements, understandings and/or
representations  between  or  by the parties, whether oral or written; provided,
                                                                       --------
however,  that  nothing  in this Agreement will affect, modify, or supersede the
-------
letter  agreement  between  the  parties  dated  January  __,  2001, relating to
consulting  services to be performed while serving as Chairman of the Board (the
"Letter  Agreement"),  or the Note and Pledge Agreement as defined in Section 5,
or  the  Confidential  Information, Inventions and Non-Competition Agreement, or
any  stock  option  agreements  issued  by the Company to the Executive, each of
which  shall  remain  in full force and effect in accordance with its respective
terms.

          (b)     This Agreement shall deemed to be made and entered into in the
Commonwealth of Massachusetts and shall in all respects be interpreted, enforced
and  governed  under  the  internal  and  domestic laws of Massachusetts without
giving  effect  to  the principles of conflicts of law thereof.  The language of
all parts of this Agreement shall in all cases be construed as a whole according
to  its  fair  meaning  and  not  strictly  for  or  against any of the parties.

          (c)     This  Agreement may not be changed, amended, modified, altered
or  rescinded  except  upon  the  express  written consent of both the Company's
President  and  Chief Executive Officer.  If any provision of this Agreement, or
part  thereof,  is  held  invalid,  void or voidable as against public policy or
otherwise,  the  invalidity shall not affect other provisions, or parts thereof,
which  may  be  given  effect  without  the  invalid provision or part.  To this
extent,  the provisions, and parts thereof, of this Agreement are declared to be
severable.  Any waiver of any provision of this Agreement shall not constitute a
waiver  of  any  other provision of this Agreement unless expressly so indicated
otherwise.

          (d)     Executive  may not assign any of his rights or delegate any of
his  duties under this Agreement.  The Company may assign this Agreement and the
rights  and  obligations  of the Company under this Agreement shall inure to the
benefit  of  the  Company's  successors  and  assigns.

     13.     Effective Date:  After signing this Agreement, Executive may revoke
             --------------
it  for a period of seven (7) days following said signing.  This Agreement shall
not  become  effective  or  enforceable  and  no payments will be made until the
revocation  period  has  expired  (the  "Effective  Date").

                                        5
<PAGE>
EXECUTIVE  REPRESENTS THAT HE HAS READ THIS AGREEMENT, THAT HE FULLY UNDERSTANDS
THE  TERMS AND CONDITIONS OF SUCH AGREEMENT AND THAT HE IS VOLUNTARILY EXECUTING
THE  SAME.  IN  ENTERING  INTO  THIS  AGREEMENT,  EXECUTIVE DOES NOT RELY ON ANY
REPRESENTATION,  PROMISE  OR INDUCEMENT MADE BY THE RELEASEES WITH THE EXCEPTION
OF  THE  CONSIDERATION  DESCRIBED  IN  THIS  DOCUMENT.

     Executed  this  29th  day  of  January,  2001.

MathSoft,  Inc.
(d/b/a  Insightful  Corporation)

By:  /s/  Dermot  P.  O'Grady                    /s/  Charles  J.  Digate
  ---------------------------                    ------------------------
                                                 Charles  J.  Digate
Title:  Vice President and Chief Financial
Officer

                                        6
<PAGE>

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