Calculators on computers

I created a new calculator. This short video shows how it works. I use it more often than calculator that's included on my computer.

This calculator doesn't use buttons for input. It uses the keyboard instead. You can type a normal formula and the calculator will give you the answer while you type. You can find more information about it on



My name is Peter Stuifzand. You're reading my personal website.


Peter Stuifzand
Zwolle, The Netherlands