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Schulrechnerkalker
Free

Free and open source under GPL-3.0-only.

 Free

Free and open source under the MIT licence.

Linux, Android, Web Windows, macOS, Linux, Android, Web, Command line
  • Shows equation results as fractions and decimals
  • Supports implicit multiplication
  • Natural math syntax with user-defined functions and variables
  • Handles complex numbers, vectors and matrices
  • The F-Droid listing describes an early version with unlabeled buttons
  • Derivatives and integrals are numerical estimates
  • Higher-order derivatives can be inaccurate
Downloadable app, Web application Downloadable app, Web application
Open source Open source
License: GPL-3.0-only License: MIT
No account needed No account needed
Works offline Works offline

Checked October 8, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.