The TI-89 from Texas Instruments, with Flash technology, has 256 KB RAM and 2 MB Flash ROM. Of these, 188 KB of the RAM and 702 KB of the ROM are available to the user for calculations. The graphing calculator can be connected to your PC with the Graph-Link software provided. This also allows you to update the TI-89 software with downloads from the internet.
High memory capacity, a faster processor and the new USB technology that lets each student computer can be connected to the overhead projector, lead to the best possible results in the teaching of secondary school. In addition to the trendy design, the TI-84 Plus has space for up to 30 Flash applications.