“Sometimes, I want to apologize on behalf of Past Mark; sometimes, I want to congratulate him; sometimes, there’s just nothing to say, so I just let him talk.” — Present Mark
What’s in the Mark with Mark stream?
Combinations and Permutations
Radians Exploration
Probability
More Combinations and Permutations
Infinite Sequences
Cheapen your self talk!
Linear Functions
At around 53 minutes in, Past Mark tosses ACT and SAT books off to the side. Gotta love the consistency.

