Visualizing transformations: matrices, handheld graphing calculators, and computer algebra systems. (English)

Math. Teach. (Reston) 96, No. 1, 48-56 (2003).

Summary: The article presents some ways in which teachers and students can use CAS-equipped graphing calculators to examine matrices as both graphical and geometric objects. CAS enables students to extend their knowledge of transformations in an active, exploratory fashion.