MelodiCAL app for iPhone and iPad

The calculator that play such a beautiful sound, I have never seen until now.
Calculator playing a beautiful melody and the effect appeared Calculating!
It uses the material design, answer in a smooth animation to the operation of one by one.

Special Features
· You played the scale as an instrument when you tap a key
· Scale of C is assigned from one of the numeric keys, it is possible to play in how to use as soon as possible is also
· I will return the feedback with a smooth animation to the operation of one by one
· I can easily paste from other apps and a copy of the calculation results
· Tuning fork function