           5                 SUBROUTINE 20  SQUARE RT                                   
               E00AU    STD  ARTHX           SQUARE ROOT                                
                        BMI  AU1             ALARM IF NEG                               
                        SLT   0008                                                      
                        NZU         AU2      TEST FOR ZRO                               
                        STL  ARTHF           BREAK UP EXP                               
                        RAL   8003           AND MANTISSA                               
                        SLT   0002           CALCULATE                                  
                        STL  ARTHE            INITIAL X                                 
                        AUP  AU8    AU3                                                 
               AU4      RAU  ARTHE           CALCULATE                                  
                        DVR  ARTHG            NEXT X                                    
                        SLO   8001            VALUE                                     
                        NZE         AU5                                                 
                        BMI         AU5      TEST FOR END                               
                        ALO   8001                                                      
                        ALO   8001  AU3                                                 
               AU3      DVR  AU9             RECYCLE                                    
                        STL  ARTHG  AU4                                                 
               AU5      RAL  ARTHF           MODIFY                                     
                        ALO  AU10             EXPONENT                                  
                        SRT   0008                                                      
                        DIV  AU9                                                        
                        ALO   8003                                                      
                        STL  ARTHF           TEST EVEN OR                               
                        NZU         AU6       ODD EXP                                   
                        RAU  ARTHG           EXP ODD                                    
                        SRT   0001                                                      
                        MPY  AU11            MPY BY SQRT                                
                        SRD   0010  AU7       OF 10                                     
               AU7      SLT   0002                                                      
                        ALO  ARTHF  ARTHX    GO TO EXIT                                 
               AU6      RAL  ARTHG           EXP EVEN                                   
                        SRD   0002  AU7                                                 
               AU2      RAL   8003  ARTHX    STORE ZERO                                 
               AU1      LDD  ARTHX   3201    SQRT ALARM                                 
               AU8       00   0000   0001    CONSTANTS                                  
               AU9       00   0000   0002                                               
               AU10      49   0000   0000                                               
               AU11      03   1622   7766                                               
           5                 LAST CARD SUBROUTINE 20                                    
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
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