| Type | Graphing calculator |
|---|---|
| Manufacturer | Texas Instruments |
| Introduced | 1995 |
| Discontinued | 1998 |
| Successor | TI-73 series |
| Calculator | |
| Entry mode | D.A.L. |
| Display Size | 64×48 pixels, 16×8 characters |
| CPU | |
| Processor | proprietary |
| Frequency | 980 kHz |
| Programming | |
| User Memory | 7 KB of RAM |
| Other | |
| Power supply | 2 CR2032 batteries |
TI-80 is a graphing calculator made by Texas Instruments. It was originally designed in 1995 to be used at a middle school level (grades 6-9).
The TI-80 featured the smallest screen and slowest processor (980 kHz proprietary) of any TI graphing calculator. In comparison, the TI-81, released in 1990, featured a 2 MHz Zilog Z80 processor. However, the TI-80 did feature 7 KB of RAM (compared with the TI-81's 2.4 KB). The TI-80 also had more built-in functions than the TI-81 (such as list and table functions, as well as fraction and decimal conversions). Like the TI-81, the TI-80 did not feature a link port. The TI-80 was also the only graphing calculator to use 2 CR2032 lithium batteries (instead of the standard 4 AAA batteries with a lithium backup battery).
Since its release, it has been superseded by the superior TI-73 and TI-73 Explorer. The TI-80 has been discontinued.
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