Calculus doodlus is a calculator app for iPhone that offers a range of useful features, setting it apart from other similar apps. With its multi-page functionality and automatic saving, you can easily keep track of your calculations and refer back to them later.

One of the standout features of Calculus doodlus is its ability to calculate percentages and VAT, making it a handy tool for everyday calculations. The app also allows you to customize the look of your calculations with your own handwriting, giving it a personal touch.

It is important to note that Calculus doodlus functions like a traditional calculator, where operations are typed in rather than drawn. This ensures accuracy and efficiency in your calculations.

Overall, Calculus doodlus is a well-designed calculator app that offers a range of features to enhance your calculation experience. Whether you're a student, professional, or simply need a reliable calculator on your iPhone, Calculus doodlus is worth checking out.