# Precalculus

#### Non-trigonometry pre-calculus topics. Learn this before Calculus. Created by Khan Academy.

9 hours

Beginner

##### Pick a lesson

1: Introduction to Limits (HD)
2: Limit Examples (part 1)
3: Limit Examples (part 2)
4: Limit Examples (part3)
5: Limit Examples w/ brain malfunction on first prob (part 4)
6: Squeeze Theorem
7: Proof: lim (sin x)/x
8: More Limits
9: Sequences and Series (part 1)
10: Sequences and series (part 2)
11: Permutations
12: Combinations
13: Binomial Theorem (part 1)
14: Binomial Theorem (part 2)
15: Binomial Theorem (part 3)
16: Introduction to interest
17: Interest (part 2)
18: Introduction to compound interest and e
19: Compound Interest and e (part 2)
20: Compound Interest and e (part 3)
21: Compound Interest and e (part 4)
22: Exponential Growth
23: Polar Coordinates 1
24: Polar Coordinates 2
25: Polar Coordinates 3
26: Parametric Equations 1
27: Parametric Equations 2
28: Parametric Equations 3
29: Parametric Equations 4
30: Introduction to Function Inverses
31: Function Inverse Example 1
32: Function Inverses Example 2
33: Function Inverses Example 3
34: Basic Complex Analysis
35: Exponential form to find complex roots
36: Complex Conjugates
37: Series Sum Example
38: Complex Determinant Example
39: 2003 AIME II Problem 8
40: Logarithmic Scale
41: Vi and Sal Explore How We Think About Scale
42: Vi and Sal Talk About the Mysteries of Benford's Law
43: Benford's Law Explanation (Sequel to Mysteries of Benford's Law)