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Casio fx-21 Vintage Scientific Calculator
~$2.36 sold 🔥 Great Deal!
Estimated Value
Bundle of 4 items
Part of a bundle with 4 different items.
Bundle sold for: $9.50
Sold 2025-10-15
Campbell, California, US
From listing #45331: Casio Lot X 4 VINTAGE Scientific Calculator & Case fx-21 fx-39 fx-101 Japan Made
View Listing
Vintage Casio scientific calculator, included in a lot of four items with case.
Item Details
Brand:
Casio
Item Type:
Computer
Calculator
Computer Model:
FX-21
(1977)
Platform:
Casio Calculator
Cosmetic condition:
Good - Moderate wear, normal for age
Functional condition:
Untested - Not tested, unknown condition
Comes With
Casio FX-21 - Computer Market Overview
Based on
10 sold
computers,
one should expect to pay ~$11 for a working unit.
However, this unit's condition (Good / Untested) brings its guide price to $4.
1 other is also listed for sale.
This item ($2)
is 1.6x below the guide price (~$4).
Price Position — Good / Untested (7 sales)
$2
Median $4
$25
This item: $2
Price by Condition
| Refurbished | Fully Working | Partially Working | Powers On | Untested | Not Working | For Parts | |
|---|---|---|---|---|---|---|---|
| New | — | ~$106 | — | — | ~$85 | — | — |
| Mint | — | ~$88 | ~$66 | ~$61 | ~$70 | — | — |
| Excellent | ~$44 | $19 (1) ~$40 | ~$30 | ~$28 | ~$32 | ~$14 | ~$10 |
| Good | ~$28 | $25 (1) ~$25 | ~$19 | ~$18 | THIS ITEM $4 (7) ~$20 | ~$9 | ~$6 |
| Fair | — | $28 (1) ~$19 | ~$14 | ~$13 | ~$15 | ~$6 | ~$5 |
| Poor | — | ~$14 | ~$10 | ~$10 | ~$11 | ~$5 | ~$4 |
$X (N) — Median sold price (N sales)
~$X — Guide price
This item
$X (N) — Casio Calculator (platform)
Guide prices based on 10 sales, Good/Fully Working baseline ~$25.
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Compare to Casio Calculator platform aggregate:
