Modular arithmetic enables one to solve diverse mathematical problems. Explore patterns in recursive sequences with regard to their divisibility and periodicity, forming patterns in derivatives of trigonometric and other transcendental functions, and view powers of i = SQRT [–1] with the aid of the TI-89 CAS.

Presentation Format: Preservice and In-Service Gallery Workshop
Grade Band Audience: 9 to 12, Preservice and Inservice