← Back to all Apps


Calculate with postfix notation Source


Sums is a postfix calculator focused on simplicy and designed to fit seamlessly into your GNOME desktop. Features include:

  • A beautiful user interface that adheres to GNOME's design guidelines
  • A selection of core mathematical operations and constants
  • Two-way history navigation
  • Copying your results with one click


Project links: Links to (pages with) screenshots:


Mobile Fit: 5

Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!


Is this app packaged for my distribution?

green: current and packaged,
red: packaged, but not current, ratings and other details may not apply.

Packaging status

Powered by Repology

Get it on Flathub!

If you're lucky*, you can install this app by just hitting this button:


* You need to have an appstream:// handler, e.g., GNOME Software or KDE Discover, installed and the app needs to be available in a configured software repository, more details.

Find similar apps

By Category: calculator

By FreeDesktop-(Additional-)Category: GTK GNOME Utility Calculator

Licensing and technical details

License: GPL-3.0-or-later Metadata: CC0-1.0

Frameworks: GTK4 libadwaita

Programming languages: C

Build system: meson

AppStream Metadata URL: https://gitlab.com/leesonwai/sums/-/raw/main/data/io.gitlab.leesonwai.Sums.metainfo.xml.in