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Qalculate! version 3.13 (library and CLI)
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@hanna-kn hanna-kn released this 21 Sep 13:24
· 779 commits to master since this release
v3.13.0
4afbf1e

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:

  • Add abhenry (abH), cP, cStoke, mTorr, dyn/cm², and kph (or kmph) units, add biot (Bi) name for abampere, and replace J/T with A/m² as unit for current density
  • Use B as abbreviation for byte instead of bel (dB is still used for decibel)
  • Group digits after decimal separator (in groups of three, when standard digit grouping is active)
  • Group hexadecimal digits
  • Add binary prefixes zebi and yobi
  • Do not use prefixes by default with most CGS units
  • Do not use “$”, “dollar”, and “dollars” for USD (and do not use “£” as symbol for GBP) and remove cent, if the symbol is also used by the local currency
  • Consider vectors as matrices with one column (column vector) in operations that expect a matrix (e.g. matrix multiplication)
  • Increase default precision to 10
  • Fix cot(pi/2), coth(pi/2×i), arccot(0), arcsch(0), and arcoth(0)
  • Fix conversion to ratio
  • Fix logarithmic y scale in plot
  • Fix self-contained Linux binaries: change GUI binary name to qalculate (fixes install and update scripts), and fix check for updates at startup
  • Reduce time before GUI appears on load in some cases (qalculate-gtk)
  • Add derived units without symbol (e.g. kg/m³) to completion (qalculate-gtk)
  • Option to remember window position (qalculate-gtk)
  • Only perform continuous conversion when convert tab is visible (qalculate-gtk)
  • Add "Copy result to clipboard" to Gnome shell search provider (qalculate-gtk)
  • Fix unit conversion search entry losing focus (qalculate-gtk)
  • Fix potential precision loss when performing multiple consecutive unit conversions (qalculate-gtk)
  • Minor bug fixes and feature improvements

Download the source code here:
libqalculate-3.13.0.tar.gz

Download the source code for the graphical user interface (qalculate-gtk) here:
qalculate-gtk-3.13.0.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/.

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