Accum
by 2 Good Software

  User-friendly adding machine with the functions you expect from a mechanical adding machine plus capabilities associated with a Windows environment. Features include, but are not limited to linked subtotals and values which are automatically updated; Biz Wizard with popular business calculations for annuities, loans and depreciation; editable tape, tape caption and notes; save tapes to disc; 9,999,999.99 and 9.999.999,99 formats; collapse mode; file search for saved tapes; unlimited memories; printing to any available printer and to file; one key sales tax closeout; auto decimal insertion; optional red negative numbers; line and item numbers; selectable font size and bold; one-time and locked repeat of numbers; tapes saved to disc are encrypted; tape values are preserved when decimal place settings are changed.

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calculator, adding, machine, paper, tape, ...