Unlock the full potential of your iPad calculator app with our beginner's guide on how to use math notes on iPad. See how it can automatically calculate math equations and show results as you write.

How to insert & use Functions in Excel Functions help you perform a variety of mathematical operations, lookup values, calculate date and time, and a lot more.

However, most of them are designed with the concept of “adding numeric keypad functionality to a calculator,” and have many function buttons that are not often used.