Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation). Features include a large library of customizable functions, unit calculations and conversion, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, plotting, and a user-friendly interface (GTK+ and CLI).
Changes:
- Customizable keypad buttons—change labels and actions for all buttons on the right-hand side of the keypad
- Support traditional calculator memory (MR/MC/MS/M+/M-)
- Notifications for invisible actions, e.g. result left-click copy
- Always perform conversion to optimal (SI) unit when the expression is a number multiplied by a unit and input equals output
- Use v1, v2, … as default variable names
- Improvements and fixes in insert function dialog
- Fix input of circumflex on Windows with dead circumflex without modifier, e.g. German and Swiss keyboard layouts
- Fix programming keypad base conversion for negative integers
- Add Rutherford (Rd), millirem (mrem), mrem/s, and erg/g units (libqalculate)
- Add yr and annus names for year unit, röntgen name for roentgen (R) unit, and rem for roentgen equivalent man (libqalculate)
- Add matrix rank (rk) and reduced row echelon form (rref) functions (libqalculate)
- Support for different character encodings in code() function (libqalculate)
- Keep angle units in calculations involving both length and (plane) angle units (fixes lumen calculations) (libqalculate)
- Improve plot speed for functions defined using expression (libqalculate)
- Compiled definitions without GIO and with support for out-of-tree builds (libqalculate)
- Fix availability of many currencies before manual exchange rates update (global exchange rates file was not installed) (libqalculate)
- Minor bug fixes and feature improvements
Download the source code here:
qalculate-gtk-3.14.0.tar.gz
Download the source code of libqalculate version 3.14.0 here:
libqalculate-3.14.0.tar.gz
Download Windows binaries here:
64-bit installer
32-bit installer (use compatibility mode to avoid keyboard input issues)
32-bit zip (unpack and run without further installation; no application data are read or written outside of the unpacked directory)
The 64-bit binaries can now also be installed using the Windows Package Manager (winget).
GNU/Linux binaries:
A flatpak package is available at https://flathub.org/apps/details/io.github.Qalculate.
A snap package is available at https://snapcraft.io/qalculate.
64-bit (x86) self-contained binaries (extract and run from anywhere on most GNU/Linux distributions; no translations included)
For more information visit the website at http://qalculate.github.io/.