| Brand | HP |
|---|---|
| Model | HP28S |
| Country of Origin | United States |
| Vintage | Yes |
Check the listing for details. ✅✅ HP 28S Advanced Scientific Calculator Clamshell Design Working 🔹. Condition: Used, Made in United States. Listed at 75.00 USD. This calculator functions perfectly. You will need 3 LR1 1.5V batteries.
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