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Hp 20s


Hewlett Packard HP-20S Scientific Programmable Calculator w/ Case manual

$47.99


HP Hewlett Packard 20S Vintage Scientific Calculator WORKS No Batteries

$20.00


Vintage Hewlett Packard HP 20s Scientific Calculator HandHeld: Manual on CD disk

$86.17


Hewlett Packard HP 20S Scientific Calculator

$35.00


Vintage HP Hewlett Packard 20S Scientific Calculator..1987

$55.00


Hewlett Packard HP 20S Scientific Calculator w/ Dust Sleeve

$59.99


Hewlett Packard HP-20S Scientific Programmable Calculator w/ Case - New Battery

$54.95


HP HEWLETT -PACKARD HP-20S SCIENTIFIC CALCULATOR W/BOX & MANUAL W/O SOFT CASE

$79.95


Hewlettt Packard Scientific Calculator HP 20S with manual and case

$45.00


HP 20S Scientific Calculator 1987 Made In The U S A Vintage

$29.99


HP-20S Scientific Calculator w Original Case and Owners Manual

$64.36


Hewlett Packard HP 20 S Scientific Calculator - E3

$49.99


HP Hewlett Packard 20S Vintage Scientific Calculator Tested No Batteries

$80.99


HEWLETT PACKARD HP 20S SCIENTIFIC CALCULATOR W/ CASE AND BATTERY

$32.02


^^ HEWLETT PACKARD HP 20S SCIENTIFIC VINTAGE CALCULATOR W/ CASE

$9.99


HP-20S Programmable Scientific Calculator w Original Case -Passed Self Test MINT

$66.50


Hewlett-Packard Scientific Calculator 20S 1987 HP w/ Padded Case Tested

$49.95


HP 12C calculator Hewlett Packard Made in USA TF

$39.99


Rare Old Vintage Calculator/Computer - HEWLETT PACKARD SCIENTIFIC 20S

$54.99


Lot of 4 vintage calculators: Hewlett Packard (HP 20s and 12c),Texas Instruments

$139.00


HP 20s Scientific Calculator Not working, no batteries as-is parts only

$18.00


HEWLETT PACKARD HP 20S SCIENTIFIC CALCULATOR W/ CASE (NEED BATTERY)

$28.01


TWO (2) Hewlett Packard HP-20S Programmable Scientific Calculator Pass Self Test

$86.71