123 Math Vids 
Calculus I 
Introduction to Logarithms: 13:48 This video covers the definition, use, and graph of logarithms with a few example problems.

Videos 

Introduction to Trig: 15:04 This video covers the basics of trig including; triangle, circle, and function representation; and definitions of the inverses. 
Derivative Properties: 15:44 This video covers the derivative of a constant times a function and the derivative of the sum and difference of two functions. 
Exponentials: 14:28 This video covers the derivative of an exponential. Its proof and a few examples. 
Derivative of Trig Functions: 13:51 This video covers the derivative of the sin(x), cos(x), and tan(x). 
Derivative Inverse Functions: 15:38 This video covers the derivative of ln(x), arcsin, arctan, as well as the general inverse function. 
Optimization: 11:08 This video covers the definition and steps to finding global maximum and global minimums. 
Related Rates: 14:08 This video covers two example problems dealing with related rates. 
Differential Equations: 15:16 This video covers the definition of a differential equation, what a solution looks like, how to verify it, how to find solutions to simple De’s, and two practice probs. 