Are you looking for a faster way to do your arithmetic calculations?
Fast Calc is what you need! Designed for speed of operation in mind, has two keypads to allow simultaneously write two numbers and you see right away results of addition, subtraction, multiplication and division.

Example:
Calculating 24 + 13 on regular calculator require pressing 6 buttons(2,4,+,1,3,=). Fast Calc does that with only 4.

And you can easily operate on both input numbers and results. There's also a MEMORY feature allowing for quick reuse of results.

There's no ADS, pop-ups or other distraction. Just pure calculating tool.