Are you planning to borrow money for a car, house, or personal expense? Grab a loan calculator; it helps you budget.

On the surface, the default iOS Calculator app seems very simple. But, there are a few tricks up the Calculator app's sleeve.

"Or use the scientific calculator for exponential, logarithmic, and trigonometric functions," according to Apple.

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.