galculator software package provides A GTK+ 2.0 based calculator, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install galculator
galculator is installed in your system.
Make ensure the galculator package were installed using the commands given below,
$ sudo dpkg-query -l | grep galculator *
You will get with galculator package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Mathematics |
| Package | galculator |
| Version | 1.3.4-1 |
| Description | A GTK+ 2.0 based calculator |
| Sub Section | math |