EXHIBIT 11
 
                  SCIENTIFIC-ATLANTA, INC., AND SUBSIDIARIES
                       COMPUTATION OF EARNINGS PER SHARE
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)



                                                THREE MONTHS ENDED                         THREE MONTHS ENDED
                                                  JANUARY 1, 1999                           DECEMBER 26, 1997
                                           ------------------------------              ---------------------------
                                                                PER SHARE                                PER SHARE
                                            EARNINGS   SHARES     AMOUNT               EARNINGS  SHARES    AMOUNT 
                                           ---------   ------   ---------              --------  ------  --------- 
                                                                                                
BASIC EARNINGS PER
COMMON SHARE
 Earnings from continuing operations
 available to common stockholders           $ 19,188   75,274   $   0.25               $ 14,832   78,885  $   0.19 
                                                                                                                     
EFFECT OF DILUTIVE SECURITIES                                                                                        
 Options                                          --      757         --                     --    1,264        --   
                                              ------   ------     ------                 ------   ------    ------     
                                                                                                                   
DILUTED EARNINGS PER                                                                                               
COMMON SHARE                                                                                                       
 Earnings from continuing operations                                                                               
 available to common stockholders                                                                                  
 and assumed conversions                    $ 19,188   76,031   $   0.25               $ 14,832   80,149  $   0.19 
                                              ======   ======     ======                 ======   ======    ======  
 


 
 
                                                  SIX MONTHS ENDED                           SIX MONTHS ENDED 
                                                  JANUARY 1, 1999                           DECEMBER 26, 1997
                                           ------------------------------              ---------------------------
                                                                PER SHARE                                PER SHARE
                                            EARNINGS   SHARES     AMOUNT               EARNINGS  SHARES    AMOUNT 
                                           ---------   ------   ---------              --------  ------  --------- 
                                                                                        
BASIC EARNINGS PER
COMMON SHARE
 Earnings from continuing operations
 available to common stockholders           $ 34,182   77,245   $   0.44               $ 31,317   78,567  $   0.40
 
EFFECT OF DILUTIVE SECURITIES
 Options                                          --    1,095         --                     --    1,471        --
                                              ------   ------     ------                 ------   ------    ------     
 
DILUTED EARNINGS PER
COMMON SHARE
 Earnings from continuing operations
 available to common stockholders
 and assumed conversions                    $ 34,182   78,340   $   0.44               $ 31,317   80,038  $   0.40
                                              ======   ======     ======                 ======   ======    ======  


The following information pertains to options to purchase shares of common stock
which were not included in the computation of Diluted Earnings per Common Share
because the options' exercise price was greater than the average market price of
the common shares:



 
                                         January 1, 1999     December 26, 1997 
                                         ---------------     ----------------- 
                                                                      
Number of options outstanding                      4,944                 3,341 
                                                                               
Weighted average exercise price                  $22.473               $22.371  



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