1 Exhibit 11.1 IPL SYSTEMS, INC. COMPUTATION OF LOSS PER COMMON SHARE (in thousands, except per share amounts) THREE MONTHS ENDED JANUARY 31, 1998 1997 Basic EPS Computation Net loss $ (420) $ (110) -------- -------- Weighted average shares outstanding 23,819 18,078 -------- -------- Shares used in computing basic loss per share 23,819 18,078 -------- -------- Basic loss per share $ (0.02) $ (0.01) ======== ======== THREE MONTHS ENDED JANUARY 31, 1998 1997 Diluted EPS Computation Net loss $ (420) $ (110) -------- -------- Weighted average shares outstanding 23,819 18,078 Common stock equivalents from the issuance of options and warrants using the treasury stock method -- -- -------- -------- Shares used in computing diluted loss per share 23,819 18,078 -------- -------- Diluted loss per share $ (0.02) $ (0.01) ======== ========