Column Write® Pads have 41 numbered lines and 12 columns per page, with alternating shaded columns for accurate decimal placement. Green tinted sheets are single-sided, standard 3-hole punched and printed on with green and brown ink. Ideal for accounting and computer spreadsheet input. Pages are perforated 11" x 16 3/8" and ruled on one side to fold to letter size; 50 sheets per pad.