Linux · Utilities
Sums
Calculate with postfix notation
by Joshua Lee
Download
Official site: flathub.org
About Sums
Sums is a postfix calculator designed for quick calculations and focused
on simplicity. Features include:
A selection of core mathematical operations and constants
Two-way history navigation
Copying your results with one click
How to install Sums
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub io.gitlab.leesonwai.Sums
- Open Sums once it finishes installing.
Frequently asked questions
Is Sums free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Sums is available to download. Flatnic doesn't host or modify any files.
How do I install Sums from the command line?
With Flatpak, run: flatpak install flathub io.gitlab.leesonwai.Sums. This installs it from the official source and keeps it updated.
Is Sums safe?
Sums downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.