Exhibit 11.1 FAIR, ISAAC AND COMPANY, INCORPORATED COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS EXCEPT PER SHARE DATA) Three months ended December 31, 1995 1994 Primary Earnings Per Share: Weighted Average Common Shares Outstanding 12,282 12,124 Shares Issuable Upon Exercise of Stock Options 759 760 Less Shares Assumed to be Repurchased (280) (208) ------------ ----------- Weighted Average Common Shares, as Adjusted 12,761 12,676 =========== =========== Net Income $ 3,524 $ 2,882 =========== =========== Primary Earnings per Share $ 0.28 $ 0.22 =========== =========== Fully Diluted Earnings Per Share: Weighted Average Common Shares Outstanding 12,282 12,124 Shares Issuable Upon Exercise of Stock Options 755 760 Less Shares Assumed to be Repurchased (303) (156) ------------ ----------- Weighted Average Common Shares, as Adjusted 12,734 12,728 =========== =========== Net Income $ 3,524 $ 2,882 =========== =========== Fully Diluted Earnings Per Share $ 0.28 $ 0.22 =========== ===========