<div>A lot of us hate math, but that's just because we don't remember much of it from high school or we think it's too hard (which is probably why we've forgotten it). But who needs it, when you've got a calculator, right? Wrong. We all use math everydayto calculate a tip, to figure out an interest rate, to estimate the cost of the groceries in your cart, etc. Math doesn't have to be hard. It can be easy, fast, and even funif you know how to do it all in your head.<br><br><i>See Ya Later, Calculator</i> demystifies numbers and math. With these simple, precise, and downright magical math tricks, readers can do everyday math faster than it takes to dig out their phone and find the calculator app. Clear, step-by-step, easily memorizable directions demonstrate more than 125 math operations anyone can do in their head, such as:<br><br>How to easily square any number<br>How to add three-digit numbers<br>How to multiply two-digit numbers<br>How to subtract large numbers<br><br>And lots more<i>no calculator (or pencil and paper) required</i>.</div>