Formula Calculator

"Formula calculator" is a calculator which calculates by inputting expression as a name.

Calculation which is divided into several times with an ordinary calculator can also be performed at a stretch with an “Formula calculator." A numerical mistake etc. do not occur. Moreover, since expression can be saved, once it inputs, it can use any number of times. Furthermore, since a variable can also be used, an easy simulation is also possible by changing a value each time.

Please refer following URL.

https://googledrive.com/host/0B6kF91EAJC8gRHJlLTZ6ZEFZclk/index.html

The size of a calculator can be changed by long tap on a comma button ",".