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Qalculate!

- the ultimate desktop calculator


Qalculate! is a multi-purpose cross-platform desktop calculator. It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a user-friendly interface (GTK+ and CLI).



This project welcomes new developers. Visit the project page here.

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Latest News

.: 2018-01-17 :. Qalculate! version 2.2.1 released

Version 2.2.1 includes bug fixes and minor feature enhancements. Get the new version from the downloads page.

List of changes:
  • Fix electric constant, magnetic constant, and characteristic impedance of vacuum.
  • Fix handling of Unicode symbols in expressions with quotation marks.
  • Fix segfault in solve() function.
  • sinc() function.
  • Fix never ending cell cycling with tab on last cell in matrix/vector dialogs (GUI).
  • Add vacuum_permeability and vacuum_permittivity as alternative names for magnetic and electric constants.
  • Add completion only names to enable completion of Greek letters from the Roman letter names.
  • Suppress gnuplot output in terminal.