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kalkerArityCalc
Free

Free and open source under the MIT licence.

 Free

Free and open source under the Apache 2.0 licence.

Windows, macOS, Linux, Android, Web, Command line Android
  • Natural math syntax with user-defined functions and variables
  • Handles complex numbers, vectors and matrices
  • Complex number support
  • 2D graphing of multiple functions and their derivatives
  • Derivatives and integrals are numerical estimates
  • Higher-order derivatives can be inaccurate
  • Developer says it will stop working on certified Android devices once Google's verification rule applies
  • Android only
Downloadable app, Web application Downloadable app
Open source Open source
License: MIT License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked October 2, 2026

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