Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working

Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working1

Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working2

Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working3

HOT ! Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working

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27.5USD

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Delivery is scheduled for around 2026-01-17.

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More information about Vintage Hewlett Packard HP-20S Scientific Calculator 1987 Tested Working

Up for sale is a vintage HP 20S Scientific Calculator by Hewlett-Packard.
**Tested and fully functional**
Battery compartment is clean WILL NEED NEW BATTERY!

Classic 1980s layout with advanced scientific functions
Ideal for students, engineers, and collectors
**Condition**:
- Pre-owned with signs of normal use
- Screen and buttons all working as expected
- Some surface wear from age — see detailed photos
This is a well-built calculator from 1987, known for its reliability and precision. Whether you're adding to a vintage tech collection or looking for a reliable backup calculator, this HP 20S is a great pick.
Ships fast and securely from a smoke-free home!