EXHIBIT 11 COMPANY: WORLD OF SCIENCE, INC. TICKER: WOSI EXCHANGE: NMS FORM-TYPE: 10-Q Exhibit 11. Statement re Computation of Per Share Net Loss FILING-DATE: December 14, 1999 Exhibit 11 WORLD OF SCIENCE, INC. COMPUTATION OF PER SHARE NET LOSS (In thousands, except per share data) Quarter Ended ------------- Basic Loss Per Share: October 30, 1999 October 31, 1998 ---------------- ---------------- Net loss $(2,326) $(1,384) Weighted average common shares outstanding 4,739 4,868 Basic loss per share $ (0.49) $ (0.28) ======= ======= Diluted Loss Per Share: Net loss $(2,326) $(1,384) Weighted average common shares outstanding 4,739 4,868 Diluted loss per share $ (0.49) $ (0.28) ======= ======= 14