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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]
The TI-84 Plus CE graphing calculator utilizes the eZ80 in 24-bit address mode at 48 MHz. [6] The eZ80L92 processor powers the ST Robotics robot controller, running at 50 MHz. [ 7 ]
TI-980A minicomputer DSP/BIOS: Proprietary: closed, available with license: general purpose: maintenance only: Mostly Texas Instruments C2800, C5500, C6000 and OMAP DSP cores. Replaced by TI-RTOS, but available for download. eCos: Modified GNU GPL: open source embedded: inactive
The following table compares general and technical information for a selection of common and uncommon Texas Instruments graphing calculators. Many of the calculators in this list have region-specific models that are not individually listed here, such as the TI-84 Plus CE-T, a TI-84 Plus CE designed for non-French European markets.
However, the TI-Nspire also uses NOR ROM to store boot instructions for the operating system. Texas Instruments most likely did this to free up the NAND Flash, and SDRAM in the calculator to be used by the user and operating system. [11] The NAND Flash and SDRAM are used to store user and operating system documents.
TI-RTOS is an embedded tools ecosystem created and offered by Texas Instruments (TI) for use across a range of their embedded system processors. It includes a real-time operating system (RTOS) component-named TI-RTOS Kernel (formerly named SYS/BIOS, which evolved from DSP/BIOS), networking connectivity stacks, power management, file systems, instrumentation, and inter-processor communications ...
The TI-84 Plus CE series, introduced in 2015, uses the Z80-derived Zilog eZ80 processor and is also still in production as of 2024. In the late 1980s, a series of Soviet landline phones called "AON" featured the Z80; these phones expanded the feature set of the landline with caller ID , different ringtones based on the caller, speed dial and so ...
TI-84 Plus CE Menu example. The image is how the calculator renders the example above. In terms of functionality, the Menu('s flow is similar to some switch statement and cases, with a key difference that the user supplies the switch's usual expression. Like many switches and cases, the Lbl allows fall-through. For example, in the code above ...