Squiid is a free and open source modular calculator.for Linux and Windows. It comes with RPN and algebraic input mode, based on Ratatui terminal user interface, plugin support and it is intended to be the successor to ImaginaryInfinity Calculator. It is written in Rust and GNU General Public License v3.0 or later.
How to Install Squiid on Ubuntu
You can install Squiid calculator using flatpak package from the remote flathub. If you don’t have then install flatpak and flathub on your system first and restart it after the installation. In the terminal software (ctrl+alt+t) run below two commands to install it.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
After that open the terminal app and run below Squiid calculator flatpak install command. It will install the latest version of Squiid calculator on your system.
flatpak install flathub net.imaginaryinfinity.Squiid
You can open it using the Show Apps from the Ubuntu dock or via below command.
flatpak run net.imaginaryinfinity.Squiid
And you can also uninstall it using below commands
flatpak run net.imaginaryinfinity.Squiid
[OR]
sudo flatpak run net.imaginaryinfinity.Squiid