1 Exhibit 11 LANVISION SYSTEMS, INC. COMPUTATION OF EARNINGS (LOSS) PER COMMON SHARE Three Months Six Months ------------------------- ------------------------ 2001 2000 2001 2000 --------- --------- --------- --------- Net income (loss) ................................. $ (569,778) $ (638,826) $ (468,237) $ (323,997) ============= ============= =========== =========== Average shares outstanding ........................ 8,884,534 8,855,218 8,881,931 8,851,715 Stock options: Total options .................................... -- -- -- -- Assumed treasury stock buyback ................... -- -- -- -- Warrants assumed converted ........................ -- -- -- -- Convertible redeemable preferred stock assumed converted .......................... -- -- -- -- ------------- ------------- ----------- ----------- Number of shares used in per common share computation ........................ 8,884,534 8,855,218 8,881,931 8,851,715 ============= ============= =========== =========== Basic net income (loss) per share of common stock ............................................. $ (0.06) $ (0.07) $ (0.05) $ (0.04) ============= ============= =========== =========== Diluted net income (loss) per share of common stock ............................................. $ (0.06) $ (0.07) $ (0.05) $ (0.04) ============= ============= =========== ===========