Texas Instruments TI-80 Repair

The Texas Instruments TI-80 graphing calculator was originally designed in 1995. It is intended for middle school students. This graphing calculator is designed for Algebra through Precalculus mathematics.

The TI-80 has a large screen size with 64x48 pixels and 16x8 characters display. Internally it contains a 980 KHz CPU and 7K RAM memory. Like the TI-81, it has no link port and is not intended for serious programming.

The TI-80 features a graphical analysis, function values, roots, intersections, maximums, minimums, derivatives, and integrals. The TI-80 is capable of defining, saving, and graphing up to four functions and six parametric equations at a time.

The TI-80 model is no longer being manufactured by Texas Instruments.

You can identify your Texas Instruments TI-80 by the manufacturer name and model number printed in gray along the top front of the calculator. You can also find the model and serial number embossed on the bottom cover of the case.

The calculator is made of charcoal gray plastic with black, orange, and blue buttons. The bezel is light gray.

• Display Size: 64 x 48 pixels, 16 x 8 characters
• Frequency: 980 kHz
• User Accessible Memory: 7 KB of RAM

• Texas Instruments Education Site
• TI-80 on Wikipedia
• Texas Instruments on Amazon