Equation Genius App for iOS
"Equation Genius will help you do you math in seconds.
- 1st degree equations (ax + b = c)
- Quadratic (2nd degree) equations (ax^2 + bx + c = 0)
- Cubic (3rd degree) equations (ax^3 + bx^2 + cx + d = 0)
- System of two unknowns (2 variables)
- System of three unknowns (3 variables)"
This app costs $2.99