|Display size||128×64 pixels, 21×8 characters|
|User memory||96 kB of RAM|
|Power supply||4 AAA's,
1 CR1616 or CR1620
The TI-86 is a programmable graphing calculator introduced in 1997 and produced by Texas Instruments. The TI-86 uses the Zilog Z80 microprocessor. It is partially backwards-compatible with its predecessor, the TI-85.
The TI-86 can be thought of as the tier among various Texas Instruments calculators directly above the TI-83 and TI-84 line. In addition to having a larger screen than the TI-83, the TI-86 also allows the user to type in lower case and Greek letters and features five softkeys, which improve menu navigation and can be programmed by the user for quick access to common operations such as decimal-to-fraction conversion. The calculator also handles vectors, matrices and complex numbers better than the TI-83. One drawback, however, is that the statistics package on the TI-83 range doesn't come preloaded on the TI-86. However, it can be downloaded from the Texas Instruments program archive and installed on the calculator using the link cable.
The TI-86 has been discontinued.
- CPU: Zilog Z80 6 MHz
- RAM: 128 KB, 96 KB user-accessible
- ROM: 256 KB non-upgradable
- Display: 128×64 pixels high-contrast monochrome LCD
- Data Communication: Serial link port; allows two TI-86 calculators to be connected to each other, or one TI-86 to be connected to a PC, for data transfer via a special link cable
- Programming Languages: TI-BASIC, Z80 Assembly language (ASM)
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- Official Texas Instruments TI-86 page (Internet Archive)
- A large collection of downloadable freeware programs for the TI-86 can be found at ticalc.org along with programming tutorials and hardware extensions
- CalcG.org - Very organized and large archive of games and programs.
- Texas Instruments Program Archive
- Complete Disassembly of a TI-86