Variable Calculator for IPad
This is a calculator supporting variables.
Notation is Fraction or Decimal fraction. (selectable)
Function
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