This Texas Instruments TI-81 graphing calculator is a reliable tool for solving various equations. With a large LCD display, it is easy to read and operate. Powered by batteries, this handheld calculator is perfect for use on the go.

It comes with a cover to protect it from scratches and damage. The TI-81 is a programmable calculator and is designed to be used for calculus problems. This calculator has been tested and is in good working condition.