1 EXHIBIT 11 DEXTERITY SURGICAL, INC. AND SUBSIDIARY COMPUTATION OF EARNINGS (LOSS) PER SHARE (Unaudited) Three Months Ended September 30, Nine Months Ended September 30, -------------------------------- ------------------------------- 1998 1999 1998 1999 -------------- ------------- ------------- ------------- COMPUTATION OF BASIC LOSS PER SHARE: Net loss $ (568,234) $ (742,359) $ (1,374,914) $ (2,276,814) Preferred Stock Dividends (13,256) (43,900) (13,256) (131,583) ------------ ------------ ------------ ------------ Net loss available for common stock shareholders $ (581,490) $ (786,259) $ (1,388,170) $ (2,408,397) ============ ============ ============ ============ WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING USED FOR COMPUTATION 7,212,742 10,212,742 6,921,910 9,357,186 ============ ============ ============ ============ BASIC LOSS PER COMMON SHARE $ (.08) $ (.08) $ (.20) $ (.26) ============ ============ ============ ============ COMPUTATION OF DILUTED LOSS PER SHARE: Net loss $ (568,234) $ (742,359) $ (1,374,914) $ (2,276,814) Interest on Convertible Debentures 68,055 67,500 201,945 202,500 ------------ ------------ ------------ ------------ Net loss used for computation $ (500,179) $ (674,859) $ (1,172,969) $ (2,074,314) ============ ============ ============ ============ Weighted average shares of common stock outstanding 7,212,742 10,212,742 6,921,910 9,357,186 Weighted average incremental shares outstanding upon assumed conversion of options and other dilutive securities 136,583 5,281 179,870 5,282 Weighted average incremental shares outstanding upon assumed conversion of preferred stock 324,293 1,371,875 109,286 1,370,660 Weighted average incremental shares outstanding upon assumed conversion of Convertible Debentures 1,500,000 1,875,000 1,500,000 1,875,000 ------------ ------------ ------------ ------------ WEIGHTED AVERAGE SHARES OF COMMON STOCK AND COMMON STOCK EQUIVALENTS OUTSTANDING USED FOR COMPUTATION 9,173,618 13,464,898 8,711,066 12,608,128 ============ ============ ============ ============ DILUTED LOSS PER COMMON SHARE AND COMMON SHARE EQUIVALENTS (a) $ (.05) $ (.05) $ (.13) $ (.16) ============ ============ ============ ============ (a) This calculation is submitted in accordance with Item 601(b)(11) of Regulation S-B although it is not required by SFAS No. 128 because it is antidilutive. As a result, it is not the amount reflected on the statements of operations.