Check the listing for details. Texas Instruments TI-83 Plus Graphing Calculator Black - Tested. Condition: Used. Listed at 21.00 USD. Calculator is worn show signs of wear please see photos. Tested works fully functional This Texas Instruments TI-83 Plus Graphing Calculator is a powerful tool for students and professionals alike. With a small LCD display and four AAA batteries, it is a handheld device that can handle all your mathematical needs. It is programmable, making it perfect for creating your own unique calculus functions. This calculator is made by Texas Instruments, a trusted brand in the world of mathematics. It is designed for both scientific and graphing purposes, making it a versatile tool for any student or professional. The TI-83 Plus Model is known for its reliability and efficiency, making it a top choice for those in need of a high-quality calculator.