# CalcTape Web

> Free online tape calculator with a notes function ("digitaler Rechenstreifen").
> Unlike a plain calculator it keeps the whole calculation visible as an editable
> tape: every line can be commented in plain text, any value can be corrected
> later and everything recalculates automatically. Runs in the browser, no
> sign-up, installable as a PWA, works offline. Made by schoettler Software GmbH.

Key facts:
- Free, no account, no ads. Calculations are stored only locally in the browser.
- Sharing works via link: the calculation is encoded in the URL fragment and is
  never sent to a server.
- Languages: German, English, Spanish, French, Italian, Portuguese, Hindi.
- Language homepages: https://calctape.app/de, /en, /es, /fr, /it, /pt, /hi
- Desktop/mobile apps (Windows, macOS, Android, iOS): https://calctape.com/

## Manual
- [German manual](https://calctape.app/de/handbuch/)
- [English manual](https://calctape.app/en/manual/)
- [Spanish manual](https://calctape.app/es/manual/)
- [French manual](https://calctape.app/fr/manuel/)
- [Italian manual](https://calctape.app/it/manuale/)
- [Portuguese manual](https://calctape.app/pt/manual/)
- [Hindi manual](https://calctape.app/hi/manual/)

## Company
- [schoettler Software GmbH](https://schoettler.com) — imprint, privacy policy, contact.