Exhibit 11 AUTOINFO, INC. AND SUBSIDIARIES Calculation of Earnings Per Share Nine Months Ended Three Months Ended September 30, September 30, 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Primarily and fully diluted earnings: Loss from operations applicable to common stock $ (826,328) $(3,632,822) $(2,636,007) $(3,095,320) ----------- ----------- ----------- ----------- Shares: Weighted average number of common shares outstanding 8,018,752 7,918,329 8,018,752 8,000,615 ----------- ----------- ----------- ----------- Primary and fully diluted loss per common share: $ (.10) $ (.46) $ (.32) $ (.39) ----------- ----------- ----------- -----------