EXHIBIT 11.1 INFONAUTICS, INC. Computation of Earnings Per Share THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, ---------------------- ---------------------- 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Net loss applicable to common shares.......................... $(4,138,942) $(2,602,100) $(9,365,041) $(5,617,420) ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- Weighted average number of shares outstanding during the period............................... 9,491,600 7,735,700 9,491,600 5,804,600 Incremental shares calculated per SAB Topic 4:D............... -- 699,600 -- 1,399,200 ----------- ----------- ----------- ----------- Total weighted average number of common and equivalent shares outstanding........................... 9,491,600 8,435,300 9,491,600 7,203,800 ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- Net loss per common equivalent share (1)...................... $ (.44) $ (.31) $ (1.00) $ (.78) ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- - ------------------------ (1) Fully diluted net loss per share has not been presented separately, as the amounts would not be materially different from primary net loss per share.