Exhibit 11.1 INTEGRAL SYSTEMS INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended Six Months Ended March 31, March 31, 2001 2000 2001 2000 ------------- ------------ ----------- ----------- Basic: Weighted average number of common shares 9,452,318 8,620,006 9,446,718 8,243,002 Net Income $ 788,033 $ 736,689 $1,840,273 $2,202,941 Earnings per share Income from Continuing Operations $ 0.08 $ 0.08 $ 0.19 $ 0.25 Income from Discontinued Operations $ 0.00 $ 0.01 $ 0.00 $ 0.01 ---------- ---------- ---------- ---------- Net Income $ 0.08 $ 0.09 $ 0.19 $ 0.26 ========== ========== ========== ========== Diluted: Weighted average number of common shares 9,608,517 9,158,494 9,586,787 8,762,992 Net Income $ 788,033 $ 736,689 $1,840,273 $2,202,941 Earnings per share Income from Continuing Operations $ 0.08 $ 0.08 $ 0.19 $ 0.24 Income from Discontinued Operations $ 0.00 $ 0.00 $ 0.00 $ 0.01 ---------- ---------- ---------- ---------- Net Income $ 0.08 $ 0.08 $ 0.19 $ 0.25 ========== ========== ========== ==========