Title: Functions
Course: Open ELT106 Fundamentals of DC/AC > Section: Math Refresher for Module 2

FOR DC/AC you will need to know how  to use functions so watch my overview and you will be prepared:

http://youtu.be/JJkTLFfqsEE

Now you try it...

Get it? If not, try viewing this version: Introduction to functions

When you have it, move on to your Practice assignment