EXHIBIT 11


                         MANGOSOFT, INC. AND SUBSIDIARY
                          (A DEVELOPMENT STAGE COMPANY)

                COMPUTATION OF NET INCOME (LOSS) PER COMMON SHARE

             THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2000 AND 1999
                                   (UNAUDITED)

<TABLE>
<CAPTION>
                                                              THREE MONTHS ENDED SEPTEMBER 30,
                                                              --------------------------------
                                                                     2000            1999
                                                                 ------------    ------------

<S>                                                              <C>             <C>
BASIC NET INCOME (LOSS) PER COMMON SHARE:
     Net income (loss) applicable to common shares as
       reported ..............................................   $ 11,130,550    $(15,747,541)
     Weighted average number of common shares outstanding:
          Common Stock .......................................     26,887,992       5,288,353
                                                                 ------------    ------------
          Basic net income (loss) per common share ...........   $       0.41    $      (2.98)
                                                                 ============    ============
DILUTED NET INCOME (LOSS) PER COMMON SHARE:
     Net income (loss) applicable to common shares as reported   $ 11,130,550    $(15,747,541)
     Weighted average number of common shares outstanding:
          Common Stock .......................................     26,887,992       5,288,353
          Effect of common stock equivalents .................      4,147,451              --
                                                                 ------------    ------------
               Total .........................................     31,035,443       5,288,353
                                                                 ------------    ------------
          Diluted net income (loss) per common share .........   $       0.36    $      (2.98)
                                                                 ============    ============

                                                               NINE MONTHS ENDED SEPTEMBER 30,
                                                               -------------------------------
                                                                     2000            1999
                                                                 ------------    ------------
BASIC NET LOSS PER COMMON SHARE:
     Net loss applicable to common shares as reported ........   $(15,672,298)   $(20,890,449)
     Weighted average number of common shares outstanding:
          Common Stock .......................................     24,411,792       1,872,956
                                                                 ------------    ------------
          Basic net loss per common share ....................   $      (0.64)   $     (11.15)
                                                                 ============    ============
DILUTED NET LOSS PER COMMON SHARE:
     Net loss applicable to common shares as reported ........   $(15,672,298)   $(20,890,449)
     Weighted average number of common shares outstanding:
          Common Stock .......................................     24,411,792       1,872,956
          Effect of common stock equivalents .................             --              --
                                                                 ------------    ------------
               Total .........................................     24,411,792       1,872,956
                                                                 ============    ============
          Diluted net loss per common share ..................   $      (0.64)   $     (11.15)
                                                                 ============    ============
</TABLE>

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