Nuten — The Math and Science Keyboard Alternatives
Nuten — The Math and Science Keyboard is described as 'Quickly create equations and share them using your favorite apps. It’s fun and highly educational. You can create and save your equations for later reference. From algebra, geometry, trigonometry and calculus to physics and chemistry, Nuten covers it all' and is an app in the Education & Reference category. There are three alternatives to Nuten — The Math and Science Keyboard for iPad and iPhone. The best alternative is SciKey, which is free. Other great apps like Nuten — The Math and Science Keyboard are The Math Keyboard (Paid) and Math Keyboard (Paid).
SciKey is a Scientific Keyboard that brings you the essential scientific characters for your iPad, iPhone, and iPod touch. Fully customizable, with more than 3,000 characters to choose from, to build your perfect keyboard (requires in-app purchase).