Panther Paper

Panther Math Paper is a paid app accessed on an iOS device (e.g. iPad/iPhone) designed to benefit  those students from elementary to high school and above who may present a wide range of challenges in their math classes to write, organize, or process information in a certain way. It can be particularly beneficial for students with illegible handwriting and/or for those who difficulties with organizing and lining up their numbers or mathematical expressions. The app's tools allows for a wide range of abilities to do addition, subtraction, multiplication, division, fractions, algebra, money skills, volume, weight, geometry, time, distance and advanced math that are accessed by switching through a variety of keyboards.

Check out their website to see all the features.