The Texas Instruments TI-86 Graphing Calculator is a handheld device with 128K RAM, designed for graphing and calculus functions. It is powered by batteries and has a regular key size, making it convenient for students and professionals alike. This model, manufactured by Texas Instruments in the United States, comes new and sealed with a manual and cable included. The original Rayovac Renewal batteries are included, but probably do not work. However, they have not leaked. These rechargeable alkaline batteries by Rayovac used a special charger and have long been discontinued.

New old stock