12 digit heavy duty desktop print-display calculator 4, 3 lines per second print speed internal paper roll -2 4 key independent memories automatic two column addition reference number time-date stamp operate in hours-minutes or regular calculator mode percent change markup % % plus %- tax tax plus tax- round up off truncate back space independent group and grand total buffered keyboard n-count with n-count correction automatic constants square root sequential calculation indicators units-price mode price-price mode price-units mode units-units mode summation -x set identifier for each entry running subtotal on printer variable add mode two-column addition nickel rounding paper saver mode decimal settings plus 0 1 2 3 4 6 F present value future value solve for payment term rate present value future value amortization VAT tax change sign crossfooting percent distribution proration averaging currency conversion -4 rates plus home currency tax keys -5 perform VAT or Discount time clock for hours-minutes worked cost sell margin 1-x reverse 12 x 9 x 4 SKU: MNRE005