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1 CR1616 or CR1620 (backup battery) The TI-85 is a graphing calculator made by Texas Instruments based on the Zilog Z80 microprocessor . Designed in 1992 as TI's second graphing calculator (the first was the TI-81 ), it was replaced by the TI-86 , which has also been discontinued.
The TI-83 was the first calculator in the TI series to have built-in assembly language support. The TI-92, TI-85, and TI-82 were capable of running assembly language programs, but only after sending a specially constructed (hacked) memory backup. The support on the TI-83 could be accessed through a hidden feature of the calculator.
The TI-82 was redesigned twice, first in 1999 and again in 2001. The 1999 redesign introduced a design very similar to the TI-73, TI-83 Plus, and the TI-89.It introduced a more contoured body and eliminated the sloped screen that has been common on TI graphing calculators since the TI-81.
The TI-84 Plus C Silver Edition was released in 2013 as the first Z80-based Texas Instruments graphing calculator with a color screen.It had a 320×240-pixel full-color screen, a modified version of the TI-84 Plus's 2.55MP operating system, a removable 1200 mAh rechargeable lithium-ion battery, and keystroke compatibility with existing math and programming tools. [6]
New calculators that were shipped with touchpad keypads supported an optional rechargeable battery. The second generation was available in two models, the TI-Nspire Touchpad and TI-Nspire CAS Touchpad; each model has maintained the color of itself, with the base model being white and black while the CAS is black and gray.
Battery life for the primary power cells ranges from 300 hours (LR03 battery) to 200 hours (R03 battery) for continuous display of main menu. Backup cells last up to about 2 years each. The calculators weigh about 190 grams including batteries , and measure about 19.7 mm x 83 mm x 176 mm. Features include scientific calculations , including ...
The TI-81 was the first graphing calculator made by Texas Instruments.It was designed in 1990 for use in algebra and precalculus courses. Since its release, it has been superseded by a series of newer calculators: the TI-85, TI-82, TI-83, TI-86, TI-83 Plus, TI-83 Plus Silver Edition, TI-84 Plus, TI-84 Plus Silver Edition, TI-84 Plus C Silver Edition, TI-Nspire, TI-Nspire CAS, TI-84 Plus CE ...
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