Texas Instruments TI-81 Graphing Calculators Bundle w/ Covers set of 2

This is a set of two units from Texas Instruments. Both units have been tested and are in working condition. Please note that they require batteries to operate. Pre-owned condition. Keywords: Texas Instruments, pre-owned, tested, working, batteries needed, unit, set of two, electronics, calculator, educational, office supplies, math tools, scientific calculator. Brand: Texas Instruments Unit quantity: 2 Unit type: Unit Smoke free!