# CalcTape for Windows

> CalcTape for Windows: version 6.0.8.1 is available for download while the new one is being built. Register by email as a beta tester.

- Language: English
- This page as HTML: https://www.calctape.com/en/calctape-windows
- Updated: 2026-09-21

**The desktop calculator that keeps track, for your PC.**

CalcTape for Windows is a desktop calculator with an editable paper tape for your PC: the whole calculation stays visible, interim results structure it, and every number and operator can be corrected afterwards. The software replaces your old desktop calculator.

## Available now: Version 6.0.8.1

The previous version stays available for download. For a rollout on several machines there are [ready-made installer packages (MSI)](https://dl.calctape.com/win/msi/). New Pro licences for version 6 are not on sale at the moment.

- Price: free
- Requirements: Windows 7 · 8 · 10 · 11
- Download version 6.0.8.1: https://dl.calctape.com/win/CalcTape-6.0.8.1-Setup.exe

## In development: The new version

CalcTape for Windows is currently being rebuilt from the ground up. The features, the editions comparison, the prices and the screenshots on this page show the new version; the prices apply once it is released. If you would like to try it early, sign up with your email address as a beta tester and we will get in touch as soon as it starts.

- Price: free / 7.95 €
- Requirements: Windows 10 · 11
- [Register as a beta tester](https://www.calctape.com/en/contact?anliegen=beta&plattform=windows)
- [Manual for the new version](https://www.calctape.com/en/md/manual-windows.md)

## Features of the new version

- Enter a long list of calculation items at once – and keep the overview, just like an adding machine with a paper tape.
- Change any item afterwards – the entire calculation updates automatically.
- Use interim results to structure and verify your calculation.
- Comment your items to give context and meaning to the calculation.
- [Save calculations as files](https://www.calctape.com/en/manual-windows#11-saving-exporting-printing), reopen and edit them anytime – with automatic recalculation.
- Use files as templates for similar calculations and what-if scenarios.
- [Preassigned tax keys](https://www.calctape.com/en/manual-windows#5-the-keyboard-and-the-user-keys) you can adapt yourself – in every edition.
- [Named values](https://www.calctape.com/en/manual-windows#7-named-values-and-example-texts) with parentheses and trigonometric functions, without a limit and without a surcharge.
- [Pro version](https://www.calctape.com/en/manual-windows#15-license-and-pro-features): any number of files side by side, your own keys and keyboards, adding machine mode, theme editing, Excel export, backup and commercial use.

## Freeware, Pro & Business compared.

The full calculating comfort is free – Pro and Business add professional and company features.

This comparison describes the **new version** (in development), not version 6.0.8.1. The prices apply once it is released.

| Feature | Freeware (private) | Pro (private / commercial) | Business (company / administration) |
|---|---|---|---|
| Price | free | from 7.95 € | on request |
| Licenses | – | 1 – 25 | 25 and up |
| Basic operations, exponents, percentages | ✓ | ✓ | ✓ |
| Calculation blocks, subtotals, grand total and memory | ✓ | ✓ | ✓ |
| Comments within the calculation | ✓ | ✓ | ✓ |
| Exact decimal arithmetic, commercially rounded | ✓ | ✓ | ✓ |
| Named values, with brackets and functions | ✓ | ✓ | ✓ |
| Preassigned tax keys, editable | ✓ | ✓ | ✓ |
| Scratchpad, saved automatically | ✓ | ✓ | ✓ |
| Printing, PDF and HTML export | ✓ | ✓ | ✓ |
| Copy a calculation with its formatting | ✓ | ✓ | ✓ |
| Find and replace, spell checking | ✓ | ✓ | ✓ |
| Tabs, split view and detached windows | ✓ | ✓ | ✓ |
| On-screen keyboard, phone and desktop layouts | ✓ | ✓ | ✓ |
| Fixed-point entry (cash register mode) | ✓ | ✓ | ✓ |
| Detect number format when pasting | ✓ | ✓ | ✓ |
| Themes, light and dark mode | ✓ | ✓ | ✓ |
| Arrange toolbar, ribbon and panels | ✓ | ✓ | ✓ |
| Zen mode (F11): the paper alone | ✓ | ✓ | ✓ |
| Take over data from an existing CalcTape installation | ✓ | ✓ | ✓ |
| Commercial use | – | ✓ | ✓ |
| Several files at once | 1 file + scratchpad | unlimited | unlimited |
| Document list: rename, duplicate, delete, export | – | ✓ | ✓ |
| Save changes automatically | – | ✓ | ✓ |
| Restore workspace | – | ✓ | ✓ |
| Backup / Restore | – | ✓ | ✓ |
| Export as Excel | – | ✓ | ✓ |
| Print header and footer | stock lines | freely editable | freely editable |
| Adding machine mode | – | ✓ | ✓ |
| Create your own keys | – | unlimited | unlimited |
| Reassign keys, key sizes, keyboard layouts | – | ✓ | ✓ |
| Edit theme (colors, paper, lines) | – | ✓ | ✓ |
| Comments first (comment left, figure right) | – | ✓ | ✓ |
| Always on top | – | ✓ | ✓ |
| Licence in the package, no key to type | – | – | ✓ |
| Company-wide print header and footer | – | – | ✓ |
| Own company logo inside the app | – | – | ✓ |
| Custom setup (MSI) for deployment | – | – | ✓ |

## Screenshots

A look at the new version – taken from the work in progress.

- A price calculation on the tape – toolbar, keypad panel and status bar all around. – https://www.calctape.com/img/shots/en/windows-main-light.webp
- Two documents side by side, each with a tab bar of its own. – https://www.calctape.com/img/shots/en/windows-app-groups-light.webp
- Put the toolbar together yourself – the available items on the left, your toolbar on the right. – https://www.calctape.com/img/shots/en/windows-app-toolbar-light.webp
- Appearance as you like it: app design, theme, light or dark mode, font size. – https://www.calctape.com/img/shots/en/windows-app-settings-light.webp
- Find and replace – in the current document, in all open ones or across the whole folder. – https://www.calctape.com/img/shots/en/windows-app-find-light.webp