Qalculate: A powerful free and open source calculator

calculate

Una of the most essential tools that we must have in any system it is with a calculator and they will not let me lie because almost all systems usually have an application of this by default.

Given the case many times not all the calculator apps they include are usually good enough for the user and more in the case that they are students or in their work they occupy more advanced functions than the essential ones.

For this case Today we are going to talk about a calculator application that I am sure will interest you.

About Qalculate

calculate is a free open source calculator app, multiplatform licensed under the GNU Public License V2.

It is easy to use as it provides us with power and versatility in various functions which are usually reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percentage calculation).

Features include a large library of customizable functions, unit calculations and conversions, symbolic calculations (including integrals and equations), arbitrary precision, interval arithmetic, plotting, and an easy-to-use interface.

Of the various functions Qalculate has, we can highlight:

  • Algebra
  • Calculation
  • Combinatorics
  • Complex numbers
  • data sets
  • Date and Time
  • Economic Sciences
  • Exponents and Logarithms
  • Geometry
  • Matrices and Vectors
  • Different
  • Number theory
  • Statistics
  • Trigonometry

What's new in Qalculate version 2.6

Some days ago This application received a new update in which it received a series of minor bug fixes and improvements to various functions.

Between the main changes that we find in this new version are:

  • Calendar conversion.
  • 5'8 "notation for feet and inches, 5 ° 12'30" notation for degrees, minutes of arc and seconds of arc.
  • Interpret 5m 7cm as 5m + 7cm, and 3h 52min 20s as 3h + 52min + 20s, and the like.
  • Improved ln () improvements.
  • Duodecimal, Roman, base # and partial fraction "a" conversion commands.
  • Moon phase functions
  • Fix the source of secondary exchange rates.
  • Fix crashes with compiler flag "-D_GLIBCXX_ASSERTIONS".
  • Simple Calclator :: calculateAndPrint () function with support for all "to" conversions supported in qalc.
  • Support for searching for match functions, variables and units using the 'list' command in qalc.

How to install Qalculate on Ubuntu 18.04 and derivatives?

calculate 1

Qalculate is an application that we can find it within the official Ubuntu repositories so we only have to support ourselves with the Ubuntu or Synaptic Software Center to carry out its installation.

El The only drawback at the moment is that the new version of Qalculate 2.6 has not been made available of all in the repositories, so when performing an installation by this means you will get the previous version.

Similarly you can install from terminal by opening it with Ctrl + Alt + T and running the following command in it:

sudo apt install qalculate-gtk

And ready with it, you will already have this application installed on your system.

How to install the new version of Qalculate on Ubuntu 18.04 and derivatives?

Si you want to start enjoying the new Qalculate update now on your system, you can opt for this installation method if you no longer want to wait.

For this we are going to use Snap to get this new version, so you must have support for the installation of these packages on your system.

To install Qalculate through Snap, you must open a Ctrl + Alt + T terminal and execute the following command:

sudo snap install qalculate

You will only have to wait for the download and installation of the package to finish on your system to start using this tool.

How to uninstall Qalculate on Ubuntu 18.04 and derivatives?

Now if you want to remove this application from your system, open a Ctrl + Alt + T terminal and type one of these commands.

If you installed from Ubuntu repositories:

sudo apt-get remove --autoremove qalculate-gtk

If the installation was from Snap:

sudo snap remove qalculate

And ready with it, you will no longer have this application on your system.


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