TI-85 Page

The TI-85 is Texas Instruments second most advanced Graphing Calculator. It has a 6 mhz Zilog Z80 microprocessor and runs on four tripple A batteries. It has 28.5 kilobytes of memory and a screen 128 pixels by 64 pixels. It has its own programming language similar to basic and qbasic.

ZShell is the name of a shell that is used to run programs written in assembely language on the calculator. Anything can be written in assembely at speeds much faster than ti-basic. The current version of ZShell is 4.0 and it is currently compatable with all ROM versions. To find out what version of ROM, Read Only Memory, you have hit [2nd], [Mode], [Alpha] then [S]. You can download ZShell at my ZShell Page. As well as other shells.

The way to transfer data between a calculator and computer is with a graph link. A graph link is a cable Texas Instruments sales that connects to your computer. It is absolutely necessary to own. Click here for information on purchasing a graph link and its software. With your graph link you can download ZShell programs and send them to your calculator.