Whether you realize it or not, you use math every single day of your life.And understanding basic addition, subtraction, multiplication, and division is essential to being successful in life.If you want to take control of your finances, you have to learn basic math.This guide will help you do that by walking through practical, real-life examples of how to use math to master your financial life.All you need is a calculator and some time and you'll be on your way.About the Author: M.L. Humphrey is a former stockbroker with a degree in Economics from Stanford and an MBA from Wharton who believes anyone can learn to manage their finances if given the right tools.