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2026-11-07
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HP-10B & HP-20S CALCULATOR VINTAGE 1987 LOT OF 2 WORKING CALCULATORS
$70.00
$91
30% OFF
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Product Details
Description
Specifications
Care Guide
Both calculators work. The HP 10B Business calculator is in good condition with a few dings. The HP 20S Scientific calculator is in excellent condition, but the battery light indicates that it will need to be replaced soon. This lot comes with one unbranded leather case.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.