hp-20s-scientific-calculator

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Vintage Hewlett Packard HP-20S Scientific Calculator READ DESCRIPTION
Vintage Hewlett Packard HP-20S Scientific Calculator READ DESCRIPTION

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Hewlett Packard HP20S Scientific Calculator Functional Vintage No Battery 1987
Hewlett Packard HP20S Scientific Calculator Functional Vintage No Battery 1987

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Vintage Hewlett Packard HP 20S Scientific Calculator UNTESTED - No Batteries 37
Vintage Hewlett Packard HP 20S Scientific Calculator UNTESTED - No Batteries 37

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HP Hewlett Packard 20S Scientific Programmable Calculator w/ Case Tested & Works
HP Hewlett Packard 20S Scientific Programmable Calculator w/ Case Tested & Works

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Hewlett Packard HP 20S Scientific Calculator with Slip Case Tested Vintage
Hewlett Packard HP 20S Scientific Calculator with Slip Case Tested Vintage

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

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Hewlett Packard HP 20 S Scientific Calculator Vintage w/ Case AS IS UNTESTED
Hewlett Packard HP 20 S Scientific Calculator Vintage w/ Case AS IS UNTESTED

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HP-20S Scientific Calculator Owner's Manual Only - Hewlett-Packard
HP-20S Scientific Calculator Owner's Manual Only - Hewlett-Packard

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Vintage Hewlett Packard HP 20S Scientific Calculator Case, Read Description
Vintage Hewlett Packard HP 20S Scientific Calculator Case, Read Description

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Hewlett Packard HP-20S Scientific Calculator Tested Works Vintage Math Case
Hewlett Packard HP-20S Scientific Calculator Tested Works Vintage Math Case

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Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (11)
Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (11)

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Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (10)
Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (10)

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Vtg 80s Hewlett Packard HP-20S Scientific Calculator 1987 Slip Case Tested Works
Vtg 80s Hewlett Packard HP-20S Scientific Calculator 1987 Slip Case Tested Works

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Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 Tested - Works No Case
Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 Tested - Works No Case

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Vintage Hewlett Packard HP 20 S Scientific Calculator w Slip Case Tested & Works
Vintage Hewlett Packard HP 20 S Scientific Calculator w Slip Case Tested & Works

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Hewlett Packard HP 20 S Scientific Calculator w/ Slip Case Tested & Works used
Hewlett Packard HP 20 S Scientific Calculator w/ Slip Case Tested & Works used

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HP-20S SCIENTIFIC VINTAGE CALCULATOR MIB WORKS PERFECTLY
HP-20S SCIENTIFIC VINTAGE CALCULATOR MIB WORKS PERFECTLY

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Vintage 1987 Hewlett Packard HP 20S Scientific Calculator w/ Slip Case
Vintage 1987 Hewlett Packard HP 20S Scientific Calculator w/ Slip Case

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Hewlett Packard HP-20S Scientific Calculator Math Slip Case Vintage Very Clean
Hewlett Packard HP-20S Scientific Calculator Math Slip Case Vintage Very Clean

$55.64

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Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (4)
Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (4)

$49.00

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HP-20S Hewlett Packard Scientific Calculator W/ Case (Screen Defect)
HP-20S Hewlett Packard Scientific Calculator W/ Case (Screen Defect)

$49.99

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Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (2)
Vintage Hewlett Packard HP-20S Scientific Calculator -- TESTED/NEW BAT/MORE (2)

$49.00

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Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 w/ Slip Case
Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 w/ Slip Case

$49.50

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HP 20S 21S 22S 27S Scientific Statistic Calculators Cases Lot Collection LOOK
HP 20S 21S 22S 27S Scientific Statistic Calculators Cases Lot Collection LOOK

$299.00

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HP Hewlett Packard 20S Scientific Programmable Calculator With Case
HP Hewlett Packard 20S Scientific Programmable Calculator With Case

$25.49

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Hewlett Packard HP 20 S Scientific Calculator w/ Slip Case Tested & Works
Hewlett Packard HP 20 S Scientific Calculator w/ Slip Case Tested & Works

$51.43

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Vintage Hewlett Packard Scientific Calculator Model 20S Works!!
Vintage Hewlett Packard Scientific Calculator Model 20S Works!!

$45.00

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Hewlett Packard HP-20S Scientific Calculator With Slip Case Vintage 1987 Read
Hewlett Packard HP-20S Scientific Calculator With Slip Case Vintage 1987 Read

$32.50

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HP-20S Hewlett Packard Scientific Calculator (a2).
HP-20S Hewlett Packard Scientific Calculator (a2).

$50.00

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Hewlett Packard HP-20S Scientific Calculator w/ Manual, WORKS
Hewlett Packard HP-20S Scientific Calculator w/ Manual, WORKS

$64.99

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Vintage Hewlett Packard HP-22S Scientific Calculator -- TESTED/NEW BAT/MORE (1)
Vintage Hewlett Packard HP-22S Scientific Calculator -- TESTED/NEW BAT/MORE (1)

$69.00

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Hewlett-Packard HP-20S Scientific Calculator Owner's Manual Guide Book 1989
Hewlett-Packard HP-20S Scientific Calculator Owner's Manual Guide Book 1989

$15.00

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Hewlett Packard HP 20s Scientific Calculator For Parts Not Working Bundles W12
Hewlett Packard HP 20s Scientific Calculator For Parts Not Working Bundles W12

$79.99

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Vintage Hewlett Packard HP-20S Scientific Calculator Tested & Working W/ Cover
Vintage Hewlett Packard HP-20S Scientific Calculator Tested & Working W/ Cover

$49.99

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Hewlett Packard HP 20 S Scientific Calculator With Slip Case And Handbook Works
Hewlett Packard HP 20 S Scientific Calculator With Slip Case And Handbook Works

$75.00

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1989 Owner's Manual / Book for Hewlett Packard Scientific HP-20S Calculator
1989 Owner's Manual / Book for Hewlett Packard Scientific HP-20S Calculator

$14.99

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Vintage Hewlett Packard HP 20S Scientific Calculator Slip Case Vintage 1987
Vintage Hewlett Packard HP 20S Scientific Calculator Slip Case Vintage 1987

$39.99

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Vintage Hewlett Packard HP 20S Scientific Calculator w/ Slip Case - SHIPS FREE!
Vintage Hewlett Packard HP 20S Scientific Calculator w/ Slip Case - SHIPS FREE!

$54.99

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HP 20S Algebraic Programmable Scientific Calculator 12-Digit 7-Segment Display
HP 20S Algebraic Programmable Scientific Calculator 12-Digit 7-Segment Display

$49.99

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HP Hewlett Packard 20 S Scientific Calculator w/ Case Vintage Tested Working
HP Hewlett Packard 20 S Scientific Calculator w/ Case Vintage Tested Working

$29.87

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Vintage Hewlett Packard HP 20S Scientific Calculator Case Used. See Description
Vintage Hewlett Packard HP 20S Scientific Calculator Case Used. See Description

$50.00

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Vintage Hewlett Packard HP-20S Scientific Calculator w/ Manual, Case
Vintage Hewlett Packard HP-20S Scientific Calculator w/ Manual, Case

$39.95

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Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 (B) Singapore
Hewlett Packard HP-20S Scientific Calculator VINTAGE 1987 (B) Singapore

$56.24

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Hewlett-Packard Scientific Calculator HP-20S w/Case, Manual
Hewlett-Packard Scientific Calculator HP-20S w/Case, Manual

$85.00

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HEWLETT PACKARD HP 20S Scientific Calculator w/ Original Case - MINT
HEWLETT PACKARD HP 20S Scientific Calculator w/ Original Case - MINT

$149.88

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Hewlett-Packard HP-20S Scientific Calculator Owner's Manual Guide Book 1989
Hewlett-Packard HP-20S Scientific Calculator Owner's Manual Guide Book 1989

$17.00

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VINTAGE HEWLETT PACKARD HP 20S SCIENTIFIC CALCULATOR With Manual TESTED WORKS
VINTAGE HEWLETT PACKARD HP 20S SCIENTIFIC CALCULATOR With Manual TESTED WORKS

$69.95

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Vtg HP Hewlett Packard 20S Scientific Calculator With Slip Case *Tested & Works*
Vtg HP Hewlett Packard 20S Scientific Calculator With Slip Case *Tested & Works*

$75.00

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Hewlett Packard HP 20 S Scientific Calculator. Vintage.
Hewlett Packard HP 20 S Scientific Calculator. Vintage.

$41.99

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Lot of 5- HP 18-C Manual / HP 10-B / HP 20-S / TI-30-III Calculators / TI Paper
Lot of 5- HP 18-C Manual / HP 10-B / HP 20-S / TI-30-III Calculators / TI Paper

$40.00

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HP HEWLETT PACKARD HP 20 S SCIENTIFIC CALCULATOR w/ SLEEVE Case Working
HP HEWLETT PACKARD HP 20 S SCIENTIFIC CALCULATOR w/ SLEEVE Case Working

$50.00

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HP | BUSINESS CALCULATOR BATTERY COVER ✪NOS✪ 20S 17B 10B 32S PIONEER GENUINE USA
HP | BUSINESS CALCULATOR BATTERY COVER ✪NOS✪ 20S 17B 10B 32S PIONEER GENUINE USA

$19.88

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Vtg HP Hewlett Packard 20S Scientific Calculator Missing Battery Cover HP 20 S
Vtg HP Hewlett Packard 20S Scientific Calculator Missing Battery Cover HP 20 S

$69.99

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HP Hewlett-Packard Packard 20 S Scientific Calculator
HP Hewlett-Packard Packard 20 S Scientific Calculator

$49.99

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Hewlett-Packard HP-20S Scientific Calculator
Hewlett-Packard HP-20S Scientific Calculator

$70.00

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Vintage Hewlett Packard HP 20 S Scientific Calculator With Slip Case
Vintage Hewlett Packard HP 20 S Scientific Calculator With Slip Case

$66.17

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HEWLETT-PACKARD HP20S SCIENTIFIC CALCULATOR VINTAGE 1987
HEWLETT-PACKARD HP20S SCIENTIFIC CALCULATOR VINTAGE 1987

$25.00

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