PocketCAS is the most advanced mathematics application on the App Store. From elementary school maths all the way up to calculus, algebra and statistics, PocketCAS can do it all. It's an indispensable tool for every student, teacher and engineer. PocketCAS makes college-level calculus and algebra easy and can help you in a wide range of cases. It provides features comparable with a TI-89 calculator on your Mac, iPhone or iPad and combines them with a modern, intuitive interface and incredible graphics capabilities.