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microMathematics Pluskalker
Free

Free and open source under the GPL-3.0.

 Free

Free and open source under the MIT licence.

Android Windows, macOS, Linux, Android, Web, Command line
  • Formulas shown in readable mathematical notation
  • Worksheet keeps calculations together for reuse
  • Natural math syntax with user-defined functions and variables
  • Handles complex numbers, vectors and matrices
  • Android only
  • Worksheet approach takes some learning compared with a plain calculator
  • Derivatives and integrals are numerical estimates
  • Higher-order derivatives can be inaccurate
Downloadable app Downloadable app, Web application
Open source Open source
License: GPL-3.0 License: MIT
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked October 2, 2026

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