GringoPost | Ecuador: Graphing calculators TI-83 plus and TI-89

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Graphing calculators TI-83 plus and TI-89

The TI-89 and the TI-83 plus Titanium are graphing calculators developed by Texas Instruments. They are differentiated from most other TI graphing calculators by their computer algebra system, which allows symbolic manipulation of algebraic expressions—equations can be solved in terms of variables, whereas the TI-83/84 series can only give a numeric result.
Processor: Motorola 68000
Manufacturer: Texas Instruments
Firmware memory: 2 MB flash memory (639 KB user accessible)
User memory: 256 KB RAM (188 KB user accessible)
Display size: 160×100
Power supply: 4 AAA batteries, 1 CR1616 or CR1620
They come with operation manual $50 each or best offer

Jessica: mozart_jess43@yahoo.com 099 572 5608. Call after: 6 AM.

City: Cuenca