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, Qt, and CLI).
Changes:
- Minor improvements and fixes in data set, function, unit, and variable edit dialogs
- Avoid division by zero in percentage calculation dialog
- Use editable combo box for data object argument in insert function dialog
- Remove associated bookmark from menu when removing history item, and select the history row on go to bookmark
- Somewhat selectable history text (single click on selected item edits cell with non-editable entry)
- Increase the number of optional custom buttons from 5 to 20
- Fix plot expression with localized decimal separator, and add as multiple functions if plot expression results in matrix
- Apply same logic with separate to command, as with "to" at end of expression, when result contains no unit
- New functions: linearfit(), quadraticfit(), cubicfit(), ramlatency(), parallel() (libqalculate)
- Improved and extended parallel operator (|| is interpreted as parallel if units are used) (libqalculate)
- Merge inv() and inverse() functions (libqalculate)
- Allow nested subfunctions (libqalculate)
- Solve x^(x^(-a))=b (libqalculate)
- Fix pearson() and spearman() (libqalculate)
- Fix asin(x)+bcos(x)=c (libqalculate)
- Minor bug fixes and feature improvements
Download the source code here:
qalculate-gtk-3.22.0.tar.gz
Download the source code of libqalculate here:
libqalculate-3.22.0.tar.gz
Download Windows binaries here:
64-bit installer
32-bit installer (use compatibility mode to avoid keyboard input issues)
64-bit zip (unpack and run without further installation; no application data are read or written outside of the unpacked directory) NEW
32-bit zip
The 64-bit binaries can now also be installed using the Windows Package Manager (winget). The new Qt GUI requires Windows 10 or later.
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/.