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Texas Instruments TI-55 III Scientific Calculator
Best offer accepted sold ❌ Overpriced
Best Offer Accepted
Was $15.99
Sold 2026-02-06
Muscle Shoals, Alabama, US
From listing #160096: Texas Instruments TI-55 III Scientific Calculator VTG Tested w/ Sleeve & Manual
View Listing
TI-55 III scientific calculator, tested, includes carrying case with tear and quick reference guide.
Item Details
Brand:
Texas Instruments
Item Type:
Computer
Calculator
Computer Model:
TI-55 III
(1986-1979)
Platform:
TI Calculator
Cosmetic condition:
Fair - Noticeable wear, scratches, but complete
Functional condition:
Fully Working - Tested and fully functional
Comes With
Texas Instruments TI-55 III - Computer Market Overview
Based on
23 sold
computers,
one should expect to pay ~$16 for a working unit.
However, this unit's condition (Fair / Fully Working) brings its guide price to $11.
9 others are also listed for sale.
This item ($16)
is 1.5x the guide price (~$11).
Price by Condition
| Refurbished | Fully Working | Partially Working | Powers On | Untested | Not Working | For Parts | |
|---|---|---|---|---|---|---|---|
| New | — | $24 (1) ~$64 | — | — | $35 (1) ~$51 | — | — |
| Mint | — | ~$52 | ~$39 | ~$37 | ~$42 | — | — |
| Excellent | ~$26 | ~$24 | ~$18 | ~$17 | ~$19 | ~$8 | ~$6 |
| Good | ~$16 | $15 (15) ~$15 | ~$11 | ~$10 | $15 (5) ~$12 | ~$5 | ~$4 |
| Fair | — | THIS ITEM $16 (1) ~$11 | ~$8 | ~$8 | ~$9 | ~$4 | ~$3 |
| Poor | — | ~$8 | ~$6 | ~$6 | ~$7 | ~$3 | ~$2 |
$X (N) — Median sold price (N sales)
~$X — Guide price
This item
$X (N) — TI Calculator (platform)
Guide prices based on 23 sales, Good/Fully Working baseline ~$15.
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Compare to TI Calculator platform aggregate:
Recently Sold TI-55 III Computers
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