Exhibit 11.1 INTEGRAL SYSTEMS INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended December 31, 2001 2000 ---------- ---------- Basic: Net Income $ 616,105 $1,052,240 Weighted average number of common shares 9,073,196 9,441,118 Earnings per share $ 0.07 $ 0.11 Diluted: Net Income $ 616,105 $1,052,240 Weighted average number of common shares 9,315,690 9,564,362 Earnings per share $ 0.07 $ 0.11 -16-