TI-84 Plus CE graphing calculator is 30 percent thinner, 30 percent lighter and has six times more memory than the TI-84 Plus. Buyers also can customize it from a variety of colors, such as silver ...

Texas Instruments released the graphing calculator in 2004, and continues to sell it today. The base model still has 480 kilobytes of ROM and 24 kilobytes of RAM.

Available beginning this fall, the TI-84 Plus CE Python graphing calculator will also include features like a full-color screen and a rechargeable battery that lasts up to a month.

TI says that the TI-84 Plus C Silver Edition, which was released in 2013, is the company's best-selling calculator this year, featuring a high-resolution 320x240-pixel color screen, a modified ...