Shirt features the theorem that connects the two main ideas of calculus - differentiation and integration. This shirt shows the derivative of an integral.

Summation Notation also known as Sigma Notation. A simple way of expressing the sum of the values of a sequence. This is seen in PreCalculus, Calculus 1 (AP Calc AB), and Calculus 2 (AP Calc BC).

Trigonometric Hand Trick This is an easy way to remember the values of common values of trigonometric functions in the first quadrant. #Mathematics