EXHIBIT 11 DETAIL COMPUTATION OF EARNINGS PER SHARE Digi International Exhibit 11 Detail Computation of Earnings Per Share Three month period ended December 31 ------------------------------- 1996 1995 ---- ---- PER SHARE DATA Net (loss) income $ (2,578,007) $4,521,901 ------------- ------------ ------------- ------------ Net (loss) income per common and common equivalent share Primary $ (0.19) $ 0.33 ------------- ------------ ------------- ------------ Fully diluted $ (0.19) $ 0.33 ------------- ------------ ------------- ------------ WEIGHTED AVERAGE NUMBER OF COMMON AND COMMON EQUIVALENT SHARES Primary: Weighted average of common shares outstanding 13,354,080 13,427,011 Dilutive stock options, using treasury stock method - 475,722 ------------- ------------ 13,354,080 13,902,733 ------------- ------------ ------------- ------------ Fully diluted: Weighted average of common shares outstanding 13,354,080 13,427,011 Dilutive stock options, using treasury stock method - 475,676 ------------- ------------ 13,354,080 13,902,687 ------------- ------------ ------------- ------------ NOTE: The calculation of fully diluted earnings per share is submitted in compliance with Regulation S-K Item 601(b) (11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in less than 3% dilution. Page 1