Let’s keep things simple – this is basic math. Nothing scary. Just everyday calculations, a bit of geometry, some number patterns, and the kind of stuff you definitely learned in school at some point.
Your iPhone's calculator is a powerful tool at your fingertips just waiting to do math quickly and easily. Here are some tricks you need to know about.
Every so often its good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. Can you solve 5+5x5+5 without a hitch?