# How it works

1
## Watch a lecture and

## Watch a lecture and

**Try a related exercise**

2
## Put it together with

## Put it together with

**Topic questions**

3
## When you feel ready,

## When you feel ready,

**Try a full exam**

- Algebra 100% FREE
- See the 9 lectures
- Try some quizzes

- Functions and Equations
- See the 7 lectures
- Try some quizzes

- Trigonometry
- See the 10 lectures
- Try some quizzes

- Statistics and Probability
- See the 10 lectures
- Try some quizzes

- Calculus – Derivatives
- See the 7 lectures
- Try some quizzes

- Calculus – Integrals
- See the 7 lectures
- Try some quizzes

- Calculator Help (TI-84)
- See the 18 lectures