Taylor Series
Also called: taylor-expansion, taylor-approximation, linear-approximation
Approximating a curvy function by a polynomial built from its slopes at a point. In finance it's how the Greeks work — delta is the first term, gamma the second — approximating option moves.
Where this is taught
Definitions are the trailer. These free levels turn Taylor Series into something you play — one bite-size lesson, with worked examples, a quiz and XP.