Best Calculator Apps for iPhone

MyScript Calculator

The MyScript Calculator app lets you write on the screen to perform calculations without the need to use a keyboard or traditional calculator keys. 

With the app you can use basic mathematical operations, powers, roots and exponentials as well as brackets to create complex formulas. The app even supports trigonometry and inverse trigonometry, logarithms and constants. 

Your drawn expressions are also converted to a written form ad you can even link up multiple calculations. It's a very handy way to perform calculations.