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                              DIAGNOSTIC/RETRIEVAL SYSTEMS, INC.
                                          EXHIBIT 11
                        SCHEDULE OF COMPUTATIONS OF PER SHARE EARNINGS 									

                                                           Three Months Ended December 31, 	 Nine Months Ended December 31, 		

                                                                 1995 		       1994 		             1995 		       1994
                                                              ----------    ----------          ----------    ----------

PRIMARY 										

<S>                                                           <C>           <C>                 <C>           <C>
Net earnings for primary earnings per share ..............    $  924,000 		 $  634,000 		       $2,495,000 		 $1,712,000
                                                              ==========    ==========          ==========    ==========
										
Weighted average number of shares of Class A and Class B 										
Common Stock outstanding .................................     5,497,000 		  4,889,000 		        5,473,000 		  5,026,000 

Add - common equivalent shares (determined using the 										
"treasury stock" method) representing shares issuable upon 										
exercise of employee stock options (1) ...................       180,000 		         -- 		          174,000 		         --

Weighted average number of shares of Class A and Class B 										
Common Stock used in calculation of primary earnings per 										
share ....................................................     5,677,000 		  4,889,000 		        5,647,000 		  5,026,000 
							                                                       ----------    ----------          ----------    ----------

Primary earnings per share ...............................		  $     0.16 		 $     0.13 		       $     0.44 		 $     0.34
                                                              ==========    ==========          ==========    ==========

FULLY DILUTED 										

Net earnings .............................................    $  924,000 		 $  634,000 		       $2,495,000 		 $1,712,000
                                                              ==========    ==========          ==========    ==========

Add - interest on 8.5% Convertible Subordinated 										
Debentures, net of applicable income taxes (2) ...........            -- 		         --                  --            --
										
Add - interest on 9% Senior Subordinated Convertible 										
Debentures, net of applicable income taxes ...............       332,000 		         -- 		          332,000 		         --
										
Add - amortization of deferred issuance costs relating to 										
9% Senior Subordinated Convertible Debentures, net of 										
applicable income taxes ..................................        31,000 		         -- 		           31,000 		         --
                                                              ----------    ----------          ----------    ----------
Net earnings for fully diluted earnings per share ........				$1,287,000 		 $  634,000 		       $2,858,000 		 $1,712,000
									                                                     ==========	   ==========          ==========    ==========

Weighted average number of shares of Class A and Class B 										
Common Stock used in calculation of primary earnings per 										
share ....................................................     5,677,000 		  4,889,000 		        5,647,000 		  5,026,000

Add (deduct) incremental shares representing: 										
										
Shares issuable upon exercise of stock options included in 										
primary earnings per share calculation (1) ............... 			  (180,000)  		       --   		       (174,000)		         --
										
Shares issuable upon exercise of stock options based on 										
period-end market prices .................................       184,000 		         -- 		          185,000 		         --
										
Shares issuable upon conversion of 8.5% Convertible 										
Subordinated Debentures (2) .............................. 				       -- 		         -- 		               --            --
										
Shares issuable upon conversion of 9% Senior Subordinated 										
Convertible Debentures ...................................     2,622,000 		         -- 		          894,000 		         --
                                                              ----------    ----------          ----------    ----------

Weighted average number of shares of Class A and Class B 										
Common Stock used in calculation of fully diluted earnings 										
per share ................................................     8,303,000 		  4,889,000 		        6,552,000 		  5,026,000
                                                              ==========    ==========          ==========    ==========
										
Fully diluted earnings per share .........................			 $     0.16 		 $     0.13 		       $     0.44 		 $     0.34
                                                              ==========    ==========          ==========    ==========

(1) 		 No adjustment made for prior year periods, as the effect on reported per share earnings was not material. 								

(2) 		 No adjustments made for all periods presented, as the effect on reported per share earnings was antidilutive.
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