KBruch is a free and open source mathematical education application for Linux. It comes with learn and practice mode to calculate fractions and percentages. It comes with arithmetic exercise, comparison exercise, conversion exercise, factorization exercise and percentage exercise. It is released under GNU General Public License (GPL), Version 2.
How to Install KBruch on Ubuntu Linux
KBruch is available as a flatpak package file from the remote flathub repository. If you don’t have in your system, then first install flatpak and flathub and restart it after the installation. Use below link for the flatpak and flathub installation instructions.
Open the terminal command-line application and run below KBruch flatpak install command.
flatpak install flathub org.kde.kbruch
It will install the latest version of KBruch app on your system. Now open it by using below command.
flatpak run org.kde.kbruch
And uninstall it using this command.
sudo flatpak uninstall org.kde.kbruch