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ArityCalckalker
Free

Free and open source under the Apache 2.0 licence.

 Free

Free and open source under the MIT licence.

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

Checked October 2, 2026

Checked October 2, 2026

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