Exhibit 11.1 Computation of Historical Net Income (Loss) Per Common Share (Unaudited) Three Months Ended Six Months Ended October 31, October 31, 1996 1997 1996 1997 ------------ ------------ ------------ ------------ Net income (loss) $ 215,825 $(2,631,382) $ 418,171 $(2,584,941) ============ =========== =========== =========== Weighted average number of shares outstanding 4,000,000 7,412,089 4,000,000 7,365,984 Add: Shares issuable upon conversion of Series A Redeemable Convertible Preferred Stock 992,061 -- 992,061 -- Shares issuable from the assumed exercise of options as determined by the application of the treasury stock method 611,144 -- 611,144 -- ------------ ----------- ----------- ----------- 5,603,205 7,412,089 5,603,205 7,365,984 ============ =========== =========== =========== Net income (loss) per common share $ 0.04 $ (0.36) $ 0.07 $ (0.35) ============ =========== =========== =========== The above computations include all common equivalent shares issued within the 12 months preceding the filing date as if they were outstanding for all periods presented (using the treasury stock method) and the as if converted method with regards to the Series A redeemable convertible preferred stock. For the three and six months ended October 31, 1997, there are no shares issuable from the assumed exercise of options, since they would be anti-dilutive.