TI-89 Titanium Graphing Calculator Texas Instruments USB, Manual, Cover Working!
$93
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This is a TI-89 Titanium graphing calculator by Texas Instruments in excellent working condition.
📦 Included:
TI-89 Titanium calculator
Original USB cable (included as-is)
Slide-on protective cover
User manual (light wear)
🔋 Batteries not included (used only to confirm functionality)
✅ Calculator is fully functional — buttons respond, screen is bright, and it powers on reliably.
✅ Display shows the current date (see photos) to confirm it works at time of listing.
✅ Battery compartment is clean with no corrosion.
This model includes both a USB port and a 2.5mm I/O port for connecting to other devices.
🔌 The original USB cable is included, though we didn’t test syncing with software.
Perfect for students, engineers, or anyone needing advanced graphing, calculus, or CAS functionality.
Smoke-free, pet-free home.
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