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Vintage 1987 Hewlett Packard HP-20S Scientific Calculator Tested Works
Used - Good | HP
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Description
Hewlett Packard HP-20S Scientific Calculator 1987 Programmable – Excellent Pre-Owned Condition Classic HP-20S algebraic programmable scientific calculator with 12-digit LCD display and original slip case in outstanding shape. Ideal for collectors, students, and engineers who appreciate reliable vintage HP calculators for math, science, and engineering use. - Model HP-20S programmable scientific calculator, 1987 vintage Singapore production - Algebraic entry system with 12-digit LCD display and over 150 built-in scientific functions - Supports trigonometry, logarithms, statistics, complex numbers, base conversions, and numerical integration - Keystroke programmable with up to 99 program steps and 10 memory registers - Includes original protective slip case, both calculator and case in mint pre-owned condition - Great collectible piece for retro tech, calculator enthusiasts, and HP Pioneer series fans
