TI-84 Plus series
TI-84 Plus
|
|
| Type | Graphing calculator |
|---|---|
| Manufacturer | Texas Instruments |
| Introduced | 2004 |
| Predecessor | TI-83 Plus |
| Successor | TI-Nspire |
| Calculator | |
| Entry mode | Algebraic Operating System |
| CPU | |
| Processor | Zilog Z80 |
| Frequency | 6/15 MHz |
| Programming | |
| Programming language(s) | TI-BASIC, Z80 Assembly |
| User memory | 128 KB or 48 KB RAM (depending on hardware revision) of which 24 KB are user accessible. |
| Firmware memory | 1 MB Flash ROM (480 KB user-accessible) |
| Other | |
| Power supply | 4 AAA's, 1 SR44 button cell |
TI-84 Plus Silver Edition
|
|
| Type | Graphing calculator |
|---|---|
| Manufacturer | Texas Instruments |
| Introduced | 2004 |
| Predecessor | TI-83 Plus Silver Edition |
| Successor | TI-Nspire |
| Calculator | |
| Entry mode | Algebraic Operating System |
| CPU | |
| Processor | Zilog Z80 |
| Frequency | 6/15 MHz |
| Programming | |
| Programming language(s) | TI-BASIC, z80 Assembly |
| User memory | 128 KB or 48 KB RAM (depending on hardware revision) of which 24 KB are user accessible. |
| Firmware memory | 2 MB Flash ROM (1.5 MB user-accessible) |
| Other | |
| Power supply | 4 AAA's, 1 SR44 button cell |
 |
|
| Type | Graphing calculator |
|---|---|
| Manufacturer | Texas Instruments |
| Introduced | Spring 2013 |
| Predecessor | TI-84 Plus Silver Edition |
| Successor | TI-84 Plus CE |
| Calculator | |
| Entry mode | Algebraic Operating System |
| CPU | |
| Processor | Zilog Z80 |
| Frequency | 6/15 MHz |
| Programming | |
| Programming language(s) | TI-BASIC, Z80 Assembly |
| User memory | 128 KB RAM of which 21 KB are user accessible. |
| Firmware memory | 4 MB Flash ROM (3.5 MB user-accessible) |
| Other | |
| Power supply | Rechargeable lithium-ion battery |
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|
| Type | Graphing calculator |
|---|---|
| Manufacturer | Texas Instruments |
| Introduced | Spring 2015 |
| Predecessor | TI-84 Plus C Silver Edition |
| Calculator | |
| Entry mode | Algebraic Operating System |
| CPU | |
| Processor | Zilog eZ80 |
| Frequency | 48 MHz max. |
| Programming | |
| Programming language(s) | TI-BASIC, eZ80 Assembly |
| User memory | 256 KB RAM of which 154 KB are user accessible. |
| Firmware memory | 4.0 MB Flash ROM (3.0 MB user-accessible) |
| Other | |
| Power supply | Rechargeable lithium-ion battery |
The TI-84 Plus is a graphing calculator made by Texas Instruments which was released in early 2004. There is no original TI-84, only the TI-84 Plus and TI-84 Plus Silver Edition models. The TI-84 Plus is an enhanced version of the TI-83 Plus. The key-by-key correspondence is relatively the same, but the 84 features some improved hardware. The Archive (ROM) is about 3 times as large, and CPU about 2.5 times as fast (over the TI-83 and TI-83 Plus). A USB port and built-in clock functionality were also added. The USB port on the TI-84 Plus series is USB On-The-Go compliant, similar to the next generation TI-Nspire calculator, which supports connecting to USB based data collection devices and probes, and supports device to device transfers over USB rather than over the serial link port.
The TI-84 Plus Silver Edition was released in 2004 as an upgrade to the TI-83 Plus Silver Edition. Like the TI-83 Plus Silver Edition, it features a 15 MHz Zilog Z80 processor and 24 kB user available RAM. The chip has 128 kB, but TI has not made an OS that uses all of it. Newer calculators have a RAM chip that is only 48 kB. All calculators with the letter H or later as the last letter in the serial code have fewer ram pages, causing some programs to not run correctly. There is 1.5 MB of user-accessible Flash ROM. Like the standard TI-84 Plus, the Silver Edition includes a built-in USB port, a built-in clock, and assembly support. It uses 4 AAA batteries and a backup button cell battery. The TI-84 Plus Silver Edition comes preloaded with a variety of applications. These programs are also available for the TI-84 Plus, but some must be downloaded separately from TI's website. It is manufactured by Kinpo Electronics.
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