Basic Calculator - Gambas 2
Gambas is a free development environment based on a Basic interpreter with object extensions, a bit like Visual Basic™. I made this simple calculator in Malay language for testing purpose.
This basic calculator created using same simple Visual Basic Commands.
If you interested in interface development programming here is example code for the calculator that I use, click here if you're not sure how to install Gambas2:
or download the Gambas files and Kalkulator.deb here