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$659.50
Vintage Hewlett Packard HP-35 Calculator W/ Battery, Case Manual Charger WORKS
Etsy
$659.50
Vintage Hewlett Packard HP-35 Calculator W/ Battery, Case Manual Charger WORKS
Etsy
$393.75
Vintage Hewlett Packard HP-45 Scientific Calculator Complete Set W Manuals USA
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$393.75
Vintage Hewlett Packard HP-45 Scientific Calculator Complete Set W Manuals USA
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$499.99
Rare Vintage Hewlett Packard HP 41CV Scientific Calculator W/CASE, Manual
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$499.99
Rare Vintage Hewlett Packard HP 41CV Scientific Calculator W/CASE, Manual
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$150.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$599.96
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$599.96
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$79.95
Vintage 1987 HP Hewlett Packard 32S RPN Scientific Calculator W/ Case WORKS
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$79.95
Vintage 1987 HP Hewlett Packard 32S RPN Scientific Calculator W/ Case WORKS
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$295.00
Vintage Hewlett Packard HP 16C Calculator & Case Computer Scientist 1983 USA
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$295.00
Vintage Hewlett Packard HP 16C Calculator & Case Computer Scientist 1983 USA
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$199.99
Vintage HP 12C Financial Calculator W/Sliding Cover Hewlett-Packard - BRAZIL
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Vintage HP 12C Financial Calculator W/Sliding Cover Hewlett-Packard - BRAZIL
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$79.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$79.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$260.00
Vintage Hewlett-Packard (HP) 33E Handheld Electronic Calculator
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$260.00
Vintage Hewlett-Packard (HP) 33E Handheld Electronic Calculator
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$1,999.99
1973 Govt Issue Hewlett Packard HP 35 Calculator W/Manual PSU Case Prop Of USAEC
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$1,999.99
1973 Govt Issue Hewlett Packard HP 35 Calculator W/Manual PSU Case Prop Of USAEC
eBay
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$150.00
Vintage Hewlett Packard HP-35 Scientific Calculator W/ AC Adapter Working. HP. Vintage Calculators.
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$150.00
Vintage Hewlett Packard HP-35 Scientific Calculator W/ AC Adapter Working. HP. Vintage Calculators.
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$125.00
Vintage HP-11C Scientific Programmable Calculator W/2 Manuals
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$125.00
Vintage HP-11C Scientific Programmable Calculator W/2 Manuals
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$260.00
Vintage Hewlett Packard HP 41CV Calculator TESTED & WORKING!
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$260.00
Vintage Hewlett Packard HP 41CV Calculator TESTED & WORKING!
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$549.99
Hewlett Packard HP-35 Calculator Vintage "Holy Grail" Needs New Battery-Untested
eBay
$549.99
Hewlett Packard HP-35 Calculator Vintage "Holy Grail" Needs New Battery-Untested
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$55.00
Vintage VTG Hewlett Packard HP 10B Business Financial Calculator W/ Manual
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$55.00
Vintage VTG Hewlett Packard HP 10B Business Financial Calculator W/ Manual
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$425.95
Vintage Hewlett Packard HP-35 LED Calculator With Case Manual Charger Working
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Vintage Hewlett Packard HP-35 LED Calculator With Case Manual Charger Working
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$50.00
Vintage 1990S Hewlett Packard HP 12C Financial Programmable Calculator
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$50.00
Vintage 1990S Hewlett Packard HP 12C Financial Programmable Calculator
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$227.87
VINTAGE HEWLETT PACKARD HP-12C Financial Business Calculator
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$227.87
VINTAGE HEWLETT PACKARD HP-12C Financial Business Calculator
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$179.99
Vintage 1987 Hewlett Packard HP 32SII RPN Scientific Calculator With Case Works
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$179.99
Vintage 1987 Hewlett Packard HP 32SII RPN Scientific Calculator With Case Works
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$230.00
Vintage Hewlett Packard HP 10C Scientific Calculator W/Case Tested WORKS GREAT
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$230.00
Vintage Hewlett Packard HP 10C Scientific Calculator W/Case Tested WORKS GREAT
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$650.00
HP Hewlett Packard 97 Vintage Programmable Calculator With Accessories
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HP Hewlett Packard 97 Vintage Programmable Calculator With Accessories
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$100.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$100.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
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$149.00
Vintage Rare Hewlett Packard HP 49G Graphing Calculator With Case
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Vintage Rare Hewlett Packard HP 49G Graphing Calculator With Case
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Vintage HP 48G Graphing Calculator
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Vintage HP 48G Graphing Calculator
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$150.00
Vintage HP-50G Graphing Calculator
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Vintage HP-50G Graphing Calculator
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$91.79
Vintage Hewlett Packard HP 11C Programmable Scientific Calculator Black Handheld
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Vintage Hewlett Packard HP 11C Programmable Scientific Calculator Black Handheld
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$68.94
Vintage Hewlett Packard HP 11C Black Handheld Programmable Scientific Calculator
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Vintage Hewlett Packard HP 11C Black Handheld Programmable Scientific Calculator
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$42.56
Vintage Hp Hewlett Packard 12C Calculator Works Perfect Super Clean
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Vintage Hp Hewlett Packard 12C Calculator Works Perfect Super Clean
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$200.00
HEWLETT PACKARD HP 12C FINANCIAL AND SCIENTIFIC CALCULATOR VINTAGE
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HEWLETT PACKARD HP 12C FINANCIAL AND SCIENTIFIC CALCULATOR VINTAGE
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$188.77
Vintage Hewlett Packard HP 41CV Calculator W/Two Modules Batteries Tested Works. HP. Vintage Calculators.
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Vintage Hewlett Packard HP 41CV Calculator W/Two Modules Batteries Tested Works. HP. Vintage Calculators.
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$100.00
Vintage HP 12C Calculator In WORKING Condition With Leather Case
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Vintage HP 12C Calculator In WORKING Condition With Leather Case
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$165.00
Vintage Hewlett Packard HP 25 Calculator Excellent Condition- UNTESTED
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$165.00
Vintage Hewlett Packard HP 25 Calculator Excellent Condition- UNTESTED
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$59.95
Hewlett Packard HP-12C RPN Calculator, USA Version, Very Good Condition
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240
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Hewlett Packard HP-12C RPN Calculator, USA Version, Very Good Condition
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$250.00
Vintage Hewlett Packard Hp 15C Scientific Calculator Wt Case, Battery
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$250.00
Vintage Hewlett Packard Hp 15C Scientific Calculator Wt Case, Battery
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$40.00
HP 14B Calculator Vintage Hewlett Packard 14 B 50th Limited Edition Works CLEAN
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HP 14B Calculator Vintage Hewlett Packard 14 B 50th Limited Edition Works CLEAN
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HP 35 - The world's first pocket scientific calculator from 1972
7:52
Find in video from 00:14Introduction to HP 35
HP 35 - The world's first pocket scientific calculator from 1972
10.1K viewsOct 9, 2020
YouTubeCalculator Culture
HP 33C - Scientific Calculator from 1978
4:34
HP 33C - Scientific Calculator from 1978
6.7K viewsSep 29, 2020
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Hewlett Packard LCD calculators collection 1979-1999 - Erix Collectables #71
22:04
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15.9K viewsApr 10, 2020
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Hewlett Packard HP55 Calculator restoration
26:53
Find in video from 01:14Disassembling the Calculator
Hewlett Packard HP55 Calculator restoration
6.9K viewsApr 16, 2018
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HP 42S Scientific Calculator from 1988
16:29
HP 42S Scientific Calculator from 1988
13.3K viewsApr 8, 2022
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Hewlett Packard LED calculators collection 1972-1979 - Erix Collectables #70
9:09
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Restoring my Grandfathers HP-45 - Vintage Calculator Returned to Life
9:20
Restoring my Grandfathers HP-45 - Vintage Calculator Returned to Life
7.5K viewsJun 18, 2020
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HP 70 Business Calculator from 1974
9:34
Find in video from 00:18Introduction to HP 70 Business Calculator
HP 70 Business Calculator from 1974
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HP 46 Desktop Calculator from 1973
10:58
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HP 46 Desktop Calculator from 1973
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HP Calculators Classic Series - My Journey
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HP Calculators Classic Series - My Journey
10.7K viewsOct 8, 2022
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HP 28C Scientific Calculator from 1987 - A new beginning
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Find in video from 00:12Evolution of HP Calculators
HP 28C Scientific Calculator from 1987 - A new beginning
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Vintage 1968 - 1970: Hewlett-Packard's 9100 Computer (Calculator) teaching, learning aids
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HP 67 calculator: Memories from 40 years ago!
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Find in video from 00:51Courses Used by the Calculator
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HP 20S Scientific Calculator
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HP 27S - HP's elegant "Do All" calculator from 1988
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HP 27S - HP's elegant "Do All" calculator from 1988
8K viewsSep 3, 2021
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HP 48SX Calculator from 1990
25:56
HP 48SX Calculator from 1990
15.9K viewsAug 19, 2023
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HP 71B Pocket Computer from 1984
19:25
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HP 71B Pocket Computer from 1984
12.8K viewsJun 2, 2022
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Retro Proof The HP 35: Legacy of Pocket Calculation
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Retro Proof The HP 35: Legacy of Pocket Calculation
930 views3 months ago
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HP 15C Limited Edition calculator
5:02
Find in video from 00:18Introduction to HP 15C Limited Edition
HP 15C Limited Edition calculator
12.9K viewsFeb 26, 2021
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HP 15C Collector's Edition Review
15:00
HP 15C Collector's Edition Review
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HP 12C Financial Calculator versions - Which is best?
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PX41CX Emulator of the Classic HP-41CX Calculator
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PX41CX Emulator of the Classic HP-41CX Calculator
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5:48
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Shop old hp calculators

Sponsored
About our ads
$659.50
Vintage Hewlett Packard HP-35 Calculator W/ Battery, Case Manual Charger WORKS
Etsy
$659.50
Vintage Hewlett Packard HP-35 Calculator W/ Battery, Case Manual Charger WORKS
Etsy
$393.75
Vintage Hewlett Packard HP-45 Scientific Calculator Complete Set W Manuals USA
eBay
Free shipping
$393.75
Vintage Hewlett Packard HP-45 Scientific Calculator Complete Set W Manuals USA
eBay
Free shipping
$499.99
Rare Vintage Hewlett Packard HP 41CV Scientific Calculator W/CASE, Manual
eBay
$499.99
Rare Vintage Hewlett Packard HP 41CV Scientific Calculator W/CASE, Manual
eBay
$150.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
6
Free shipping
$150.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
6
$599.96
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
Free shipping
$599.96
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
Free shipping
$79.95
Vintage 1987 HP Hewlett Packard 32S RPN Scientific Calculator W/ Case WORKS
eBay
$79.95
Vintage 1987 HP Hewlett Packard 32S RPN Scientific Calculator W/ Case WORKS
eBay
$295.00
Vintage Hewlett Packard HP 16C Calculator & Case Computer Scientist 1983 USA
eBay
Free shipping
$295.00
Vintage Hewlett Packard HP 16C Calculator & Case Computer Scientist 1983 USA
eBay
Free shipping
$199.99
Vintage HP 12C Financial Calculator W/Sliding Cover Hewlett-Packard - BRAZIL
eBay
10
Free shipping
$199.99
Vintage HP 12C Financial Calculator W/Sliding Cover Hewlett-Packard - BRAZIL
eBay
10
$79.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
Free shipping
$79.00
VINTAGE HEWLETT PACKARD HP-12C Financial Business Scientific Calculator Serial
eBay
Free shipping
$260.00
Vintage Hewlett-Packard (HP) 33E Handheld Electronic Calculator
eBay
Free shipping
$260.00
Vintage Hewlett-Packard (HP) 33E Handheld Electronic Calculator
eBay
Free shipping
$1,999.99
1973 Govt Issue Hewlett Packard HP 35 Calculator W/Manual PSU Case Prop Of USAEC
eBay
Free shipping
$1,999.99
1973 Govt Issue Hewlett Packard HP 35 Calculator W/Manual PSU Case Prop Of USAEC
eBay
Free shipping
$150.00
Vintage Hewlett Packard HP-35 Scientific Calculator W/ AC Adapter Working. HP. Vintage Calculators.
eBay
Free shipping
$150.00
Vintage Hewlett Packard HP-35 Scientific Calculator W/ AC Adapter Working. HP. Vintage Calculators.
eBay
Free shipping
$125.00
Vintage HP-11C Scientific Programmable Calculator W/2 Manuals
eBay
$125.00
Vintage HP-11C Scientific Programmable Calculator W/2 Manuals
eBay
$260.00
Vintage Hewlett Packard HP 41CV Calculator TESTED & WORKING!
eBay
$260.00
Vintage Hewlett Packard HP 41CV Calculator TESTED & WORKING!
eBay
$549.99
Hewlett Packard HP-35 Calculator Vintage "Holy Grail" Needs New Battery-Untested
eBay
$549.99
Hewlett Packard HP-35 Calculator Vintage "Holy Grail" Needs New Battery-Untested
eBay
$55.00
Vintage VTG Hewlett Packard HP 10B Business Financial Calculator W/ Manual
eBay
Free shipping
$55.00
Vintage VTG Hewlett Packard HP 10B Business Financial Calculator W/ Manual
eBay
Free shipping
$425.95
Vintage Hewlett Packard HP-35 LED Calculator With Case Manual Charger Working
eBay
Free shipping
$425.95
Vintage Hewlett Packard HP-35 LED Calculator With Case Manual Charger Working
eBay
Free shipping
$50.00
Vintage 1990S Hewlett Packard HP 12C Financial Programmable Calculator
eBay
240
$50.00
Vintage 1990S Hewlett Packard HP 12C Financial Programmable Calculator
eBay
240