Fairwood Calculator is a small application simulating a hand calculator on a computer. The calculator is specifically designed not to be bloat ware.
This means that the calculator will do normal simple calculation very fast and efficiently with an optional keyboard driven interface form almost all operations. The calculator is also designed to load almost instantaneous on a modern computer.
But the if you are looking for a grand unified mathematical tool that can do graph plotting and equation solving then look elsewhere.

The license of this software is Free, you can free download and free use this calculator software.