Texas Instruments Calculator Lot TI-81 Graphing TI-30X TI-36X Solar Covers Work

Up for sale is a great multi-pack of reliable Texas Instruments calculators, perfect for students, classrooms, or backup household use. This lot includes three distinct models covering everything from general math to advanced graphing. What's Included: 1. TI-81 Graphing Calculator (Blue): Classic graphing model. Features a clean screen and responsive keypad. Includes matching blue slide cover. (Requires 4 AAA batteries & 1 CR1620 cell - not included). 2. TI-30X Scientific Calculator (Gray): Excellent for general math, algebra, and science. Includes black slide cover. (Requires 2 AA batteries - not included). 3. TI-36X Solar Scientific Calculator (Black): Advanced scientific model featuring fractions, trig, and stats. Solar-powered, so it never needs a battery change. Includes matching slide cover with the quick-reference formula cheat sheet intact. Condition Notes: - All units have been individually powered on and basic functions have been tested. - Screens are crisp with no dead pixels or horizontal line fading. - No battery corrosion inside the compartments. - Cosmetically in good pre-owned condition with typical light storage scuffs on the plastic casings and slide covers as pictured.