Calculus doodlus

"A calculator app with a few extra nifty features that set it apart from the rest." appadvice.com Calculus doodlus is multi-page, saves your work automatically, calculates % and VAT, and more... Check out all features and functions in the documentation. Calculus doodlus creates an interactiv page that looks like you did your calculation by hand, and you can customize it with your own handwriting! Please note that Calculus doodlus works like a classic calculator, operations are to be typed in and not drawn. +++ iPhone App of the Week +++ Featured in Germany, Switzerland and Austria