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                                                                      EXHIBIT 11


                      CORE INDUSTRIES INC AND SUBSIDIARIES

                       CALCULATION OF EARNINGS PER SHARE

               for the years ended August 31, 1994, 1993 and 1992





                                                                             YEAR ENDED AUG 31,          
                                                                   --------------------------------------
                                                                   1994                1993                   1992
                                                                   ----                ----                   ----
                                                                                              
Earnings (loss) applicable to common stock                     $  10,006,000      $  8,565,000          $  (26,368,000)
                                                               =============      ============          ==============

    Net earnings (loss)                                        $  10,006,000      $  8,565,000          $  (26,368,000)
                                                               =============      ============          ==============

Average number of common shares outstanding (A)                $   9,800,135      $  9,776,376          $    9,775,195
                                                               =============      ============          ==============

Earnings (loss) per share                                         $ 1.02             $ .88                  $ (2.70)
                                                                  ======             =====                  =======






Note A:    The number of common stock equivalents related to stock option plans
           were 117,000, 100,000 and 60,000 at the fiscal years ended 1994,
           1993 and 1992, respectively.