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.

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 ...

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 ...