Exhibit 11 COMPUTATION OF EARNINGS PER SHARE Fluke Corporation and Subsidiaries QUARTER ENDED TWO QUARTERS ENDED 10/24/97 10/25/96 10/24/97 10/25/96 Shares issued and outstanding at beginning of period 18,250,378 17,391,422 18,092,960 17,305,910 Net issuance of shares under employee stock plans, weighted average 28,760 654 127,306 56,168 Weighted average common shares outstanding 18,279,138 17,392,076 18,220,266 17,362,078 Assumed exercise of stock options, weighted average of incremental shares 981,280 474,008 971,110 512,300 Average shares and share equivalents outstanding 19,260,418 17,866,084 19,191,376 17,874,378 Earnings per share $ 0.39 $ 0.36 $ .73 $ .67 Net Income $ 7,477,000 $6,404,000 $14,057,000 $11,963,000