The tools section has a lot of great helper apps like a Unit Converter, Projectile Motion Solver, Circle Solver and so much more.

Quickly find exactly what you're looking for with our handy search feature. Results are broken up by section so you know where similar equations will be.

Print support allows you to print a single equation or a group of them from the Favorites section. You can even save the PDF to iBooks or Email a copy to others.

The favorites feature lets you save any equation so you can quickly get to it later.

Full landscape support so you can use the app in any orientation. Orientation locking lets you lock the orientation to either portrait or landscape.

Curious about elements or need to know the atomic weight of Argon? Well we've included a great easy to use periodic table to help you out.

Get all the great features of the iPhone version on your iPad. The iPad version features a custom UI to take advantage of the large screen. Also, since it's a universal app, buy once and get both iPhone/iPod and iPad versions.