TI-84 & 89 Presentations
Research on HHT use from NCTM and other agencies
HHT Activities can build understanding of FUNCTIONS
http://math.missouristate.edu/faculty/NCTMMinneapolis04InteractiveAlgebraPresentation.ppt#256,2,Interactive Algebra Using TI-89 Calculators and TI-InterActive! Software NCTM Central Regional Conference Minneapolis, Minnesota November 12, 2004