VARiable CALculator varcal app for iPhone and iPad

4.8 ( 4068 ratings )

Business Utilities
Developer: Hiromasa Tanaka

0.99 USD

Current version: 1.0, last update: 7 years ago
First release : 24 May 2009
App size: 52.8 Kb

This is a calculator supporting variable.
It can run iPhone OS 3.0 too.

Example

expand polynomial
(2a+b)(3c+d) = 6ac + 2ad + 3bc + bd

expand sin/cos
sin(a+b) = sin(a)cos(b) + cos(a)sin(b)

calculate fraction
1/2 + 1/3 = 5/6