iPhone Giveaway of the Day - Formulae

Formulae is the definitive mathematics formula reference for the iPhone and iPod touch.

Main Categories:
- Algebra
- Geometry
- Trigonometry

- Vectors & Coordinates
- Complex Numbers
- Sequences & Series
- Probability & Statistics
- Calculus
- Differential Equations
- Linear Algebra
- Linear Transforms
- Physics

To see the full category listing, please visit our website.

If you have a formula request, or if you find any errata, please email us.