Exhibit 11 EXPERT SOFTWARE, INC. COMPUTATION OF INCOME PER SHARE (In thousands except per share) Three Months Ended Nine Months Ended September 30, September 30, 1997 1996 1997 1996 ------ ------ ------ ------ Net income (loss).............. $ 637 $(3,428) $1,263 $(10,625) ====== ====== ====== ====== Weighted average common stock outstanding.................... 7,533 7,481 7,518 7,481 Dilutive stock options......... 730 -- 541 194 ------- ------ ------ ------ Weighted average number of common stock and common stock equivalents for primary earnings per share............. 8,263 7,481 8,059 7,675 ======= ====== ====== ====== Net income (loss) per share....$ 0.08 $(0.46) $ 0.16 $ (1.38) ======= ====== ====== ====== Primary and fully diluted net income (loss) per share are the same for all periods presented.