How To Install qalculate on Ubuntu 18.04
Introduction
In this tutorial we learn how to install qalculate on Ubuntu 18.04.
What is qalculate
qalculate 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 is a transitional package that can be removed once you installed qalculate-gtk.
There are three methods to install qalculate 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 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 using apt-get by running the following command:
sudo apt-get -y install qalculate
Install qalculate Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install qalculate using apt by running the following command:
sudo apt -y install qalculate
Install qalculate 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 using aptitude by running the following command:
sudo aptitude -y install qalculate
How To Uninstall qalculate on Ubuntu 18.04
To uninstall only the qalculate package we can use the following command:
sudo apt-get remove qalculate
Uninstall qalculate And Its Dependencies
To uninstall qalculate and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove qalculate
Remove qalculate Configurations and Data
To remove qalculate configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge qalculate
Remove qalculate configuration, data, and all of its dependencies
We can use the following command to remove qalculate configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge qalculate
References
Summary
In this tutorial we learn how to install qalculate package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
