Texas Instruments TI-84 Plus Graphing Calculator: available at Amazon Our take: The ubiquitous classroom staple, most students have experience with this graphing calculator.

Texas Instruments TI-84 Plus Graphing Calculator: available at Amazon Our take: The ubiquitous classroom staple, most students have experience with this graphing calculator.

Texas Instruments TI-84 Plus Graphing Calculator: available at Amazon Our take: The ubiquitous classroom staple, most students have experience with this graphing calculator.

TI says that the new calculator builds on the success of the color screen TI-84 Plus C Silver Edition calculator using a similar thin, high-resolution color screen.

In the ruthlessly competitive world of technology, where companies rush the latest gadget to market and slash prices to stay competitive, the TI-84 Plus is an anomaly.