Exhibit 11.1 INTEGRAL SYSTEMS INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended December 31, 2002 2001 ---------- ---------- Numerator: Net Income $ 849,808 $ 616,105 Denominator: Denominator for basic earnings per share-weighted-average shares 9,699,729 9,073,196 Effect of dilutive securities: Employee stock options 43,710 242,494 Denominator for diluted earnings per share adjusted weighted-average shares and assumed conversions 9,743,439 9,315,690 Basic earnings per share $ 0.09 $ 0.07 Diluted earnings per share $ 0.09 $ 0.07