How To Install qalculate-gtk on Ubuntu 18.04
Introduction
In this tutorial we learn how to install qalculate-gtk on Ubuntu 18.04.
What is qalculate-gtk
qalculate-gtk is:
Qalculate! is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a graphical interface that uses a one-line fault-tolerant expression entry (although it supports optional traditional buttons).
This package contains the GTK+ user interface of qalculate.
There are three methods to install qalculate-gtk on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install qalculate-gtk Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install qalculate-gtk using apt-get by running the following command:
sudo apt-get -y install qalculate-gtk
Install qalculate-gtk Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install qalculate-gtk using apt by running the following command:
sudo apt -y install qalculate-gtk
Install qalculate-gtk Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install qalculate-gtk using aptitude by running the following command:
sudo aptitude -y install qalculate-gtk
How To Uninstall qalculate-gtk on Ubuntu 18.04
To uninstall only the qalculate-gtk package we can use the following command:
sudo apt-get remove qalculate-gtk
Uninstall qalculate-gtk And Its Dependencies
To uninstall qalculate-gtk and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove qalculate-gtk
Remove qalculate-gtk Configurations and Data
To remove qalculate-gtk configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge qalculate-gtk
Remove qalculate-gtk configuration, data, and all of its dependencies
We can use the following command to remove qalculate-gtk configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge qalculate-gtk
References
Summary
In this tutorial we learn how to install qalculate-gtk package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
