Texas Instruments TI-81 Graphing Calculator – Tested and Working

This TI-81 graphing calculator by Texas Instruments has been tested and is fully functional. It powers on, the screen is clear, and all buttons respond as expected.

Features:

   •   Classic TI-81 model

   •   Ideal for algebra, trigonometry, and basic calculus

   •   Battery operated (batteries not included)

Condition:

   •   Good used condition with typical signs of wear from normal use

   •   Screen and buttons all function properly

   •   Please see photos for details

Perfect for students, collectors, or anyone who prefers the simplicity of vintage graphing calculators.