Supercharged Calculator
The graphing calculator takes a big step forward for teachers and students with two new sites from calculator maker Texas Instruments that are chock full of customizable lessons, examples and help for the numerophobic. There’s a TI Npsired site for algebra and geometry that are aligned to popular textbooks and state standards and have lots of downloadable assignments and teaching resources. No surprise, the focus is on lesson plans that use the handheld devices to help kids learn about everything from linear functions to transformational geometry.

