All of algebra from the very beginning, when letters like "x" and "y" are first introduced, all the way through factoring and solving polynomials,. All the most relevant things. you need to succeed in high school math and beyond. Great for learning it for the first time, or for finally addressing things you find confusing, like fractions!

Prerequisites: Familiar with Order of Operations (PEMDAS or BEDMAS), can multiply numbers, work with exponents, and add/subtract positive and negative numbers together.