Back Case
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Background & Identification
The Ti-83 Plus is a scientific graphing calculator produced by Texas Instruments. Its functions include function analysis, multiple graphing modes, statistics, algebraic functions, and calculus applications. It runs on a Zilog Z80 microprocessor and has a 512 kB of Flash ROM.
The TI-83 Plus is differentiated from other TI calculators by the words "TI 83 Plus" printed on the top right side of the calculator just above the screen. The main aesthetic difference between the TI-83 and the TI-83 Plus is the white number keys on the TI-83 Plus opposed to the black number keys on the TI-83.
Hardware:
- CPU: z80 (8/16-bit, 6 MHz)
- RAM: 24KB user-accessible
- Flash (ROM): 160 KB user-accessible for Apps/Archive (512KB total)
- LCD: 96x64 pixels, 16x8 Home screen text
- Ports: 2.5mm I/O
- Power: 4 AAA batteries
Software:
- Operating System (OS): 1.03, 1.10, 1.12-1.19
- Programming: TI-BASIC, z80 ASM
Troubleshooting
Try to fix your calculator with this troubleshooting page.