Here are the main points that will be addressed in the videos. Please read these and think about them as you watch.

- An accumulation function tells you how much of a quantity you have accumulated up to a particular value of .
- An accumulation function looks like a definite integral, except it has a variable in the bounds, like
- The derivative of the accumulation function is the integrand function , except it is now a function of instead of . For example, if , then .