EXHIBIT 11 EVANS & SUTHERLAND COMPUTER CORPORATION EARNINGS PER SHARE CALCULATION Unaudited (In thousands except per share amounts) Three Months Ended Three Months Ended March 28, 1997 March 29, 1996 ----------------------- ----------------------- Primary Fully Diluted Primary Fully Diluted ------- ------------- ------- ------------- Average number of common shares outstanding during the period Common shares outstanding during the entire period 9,059 9,059 8,715 8,715 Weighted average common shares issued during the period 8 8 27 27 ------- ------- ------- ------- Weighted average number of common shares outstanding 9,067 9,067 8,742 8,742 Weighted average number of dilutive common equivalent shares outstanding 373 389 290 339 ------- ------- ------- ------- Weighted average common and dilutive common equivalent shares outstanding 9,440 9,456 9,032 9,081 ======= ======= ======= ======= Net earnings applicable to common stock $ 1,411 $ 1,411 $ 755 $ 755 ======= ======= ======= ======= Net earnings per common and dilutive common equivalent shares outstanding $ 0.15 $ 0.15 $ 0.08 $ 0.08 ======= ======= ======= =======