Calculus doodlus!

A calculator app with a few extra nifty features that set it apart from the rest.appadvice.comCalculus doodlus is multi-page, saves your work automatically, calculates % and VAT, sends as email, and more Check out all features and functions in the documentation. Train your brain Thats the new big feature of this version: a quiz to exercise your arithmetic skills, or to help your child practice calculating.+++ iPhone App of the Week +++Featured in Germany, Switzerland and AustriaApproved by my sons, used by my dad