Graphing TI-83 Plus Calculator - Texas Instruments

Texas Instruments TI-83 Plus Graphing Calculator A must-have for any high school math class! 7 in long x 3 in wide x 1 in thick. Has a cover to protect the screen and buttons. Takes 4 AAA Batteries (not included) Has option to add a back-up disc battery - size CR1616 OR CR1620 (not included) I DO NOT have the instructions for this any longer (sorry!) (FYI: My son was able to get instructions at his high school and online. This calculator was a mandatory school supply beginning his freshman year.) My son wrote his name on the cover and the calculator - in pencil! I think it can easily be removed! Measurements are approximate SOLD AS IS Approximately 9 oz. MAKE ME AN OFFER!