For the same reason there obviously is a way to do ray tracing of 3D scenes on a modern-day TI-84 Plus CE graphical 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.

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 ...

TI-84 Graphing Calculator According to Gizmodo, Texas Instruments is going a step further by introducing a new TI-84 graphing calculator which could now support programming in Python itself.