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Vintage Texas Instruments SR-50 Slide Rule Calculator Untested

$ 8.8 $ 5.28

Asa Cx-1 Pathfinder Flight Computer Aviation Navigation Calculator

$ 17.6 $ 10.56

HP 15C Hewlett Packard Calculator in Excellent Condition.

$ 260.26 $ 156.15

1970's Canon MULTI 8 Arithmetic Calculator - Palmtronic MD-8 VFD Display

$ 21.99 $ 13.19

Racetrack Computer III Vintage Calculator w/ Box & Instructions 1979 Hong Kong

$ 14.95 $ 8.97

VINTAGE - ARISTO M64 - Rare Collectible Calculator - GERMAN

$ 26.39 $ 15.83

Rockwell 18R Vintage Calculator Works Great!

$ 13.64 $ 8.18

Vintage 1983 Texas Instruments TI-1706 Calculator Solar Powered NOS in Box

$ 24.2 $ 14.52

Vintage American Express Gold Card Calculator 1970s Made in Hong Kong

$ 8.79 $ 5.27

Vintage Texas Instruments SR-11 Calculator in Original Box w/Acrylic Stand-Book

$ 26.39 $ 15.83

EUC Hewlett Packard HP 11C Scientific Calculator w/Case & Batteries, Tested

$ 118.8 $ 71.28

Rare Vintage Casio Micro - Mini Calculator near mint works perfect with case

$ 61.6 $ 36.96

Vintage Sperry Remington SSR-8 Scientific Calculator With Original Charger

$ 26.39 $ 15.83

Vintage Calculator Unisonic 811-D Small Calculator Made in Japan VTG Parts

$ 9.85 $ 5.91

Vintage Coleco Lil Genius Big Book of Math Facts and Calculator Toy

$ 17.55 $ 10.53

Sharp EL-509S Pocket Scientific Calculator - Working Condition

$ 6.99 $ 4.19

Novus Personal Calculator Model #750 Vintage Calulator + Box and New Battery

$ 8.26 $ 4.95

Hewlett-Packard HP 5061-5261 Math I Module for HP-41 C CV CX ****

$ 44 $ 26.4

HEWLETT PACKARD HP-16C Computer Scientist Calculator, Case, Original Manual

$ 351.99 $ 211.19

2 WANG 360K NIXIE TUBES CALCULATORS & ELECTRONICS BOX with CORE MEMORY

$ 835.12 $ 501.07

Hewlett Packard HP Battery Pack Holder Cover for HP-41C, HP-41CV, HP-41CX, NOS

$ 47.88 $ 28.72

Hewlett Packard HP-21 Calculator, Case, Rebuilt Battery Pack, Charger, works

$ 138.16 $ 82.89

HP82166A HP-IL Converter Technical Manual, with manual supplement

$ 26.39 $ 15.83

Casio fx-411 Scientific Calculator Vintage Solar Cell High Power Made In Japan

$ 17.59 $ 10.55

HP-75 Leather Case, New Old Stock

$ 43.78 $ 26.26

Texas Instruments TI-74 Basicalc Programmable Calculator With Cover Tested Works

$ 52.8 $ 31.67

VINTAGE HP-71B Handheld Computer w/pouch, 2x Modules + HHP 32k EPROM

$ 527.99 $ 316.79

HP 15C Limited Edition Calculator HP 15-C - Complete in Box!

$ 440 $ 264

New HP 15C HP15C Hewlett Packard Calculator Limited Edition

$ 396 $ 237.6

HP 15C Hewlett Packard Calculator + Case TESTED WORKS Excellent Condition.

$ 154.62 $ 92.77

HP 35 Hewlett Packard Calculator

$ 347.6 $ 208.56

Casio MQ-1 Calculator with case

$ 171.6 $ 102.96

Battery Block for Vintage HP41 series Calculators w/brand new Flex PCB

$ 48.4 $ 29.04

HP Carrying Case for use with HP-65 and HP-67 Hewlett Packard Calculators.

$ 51.92 $ 31.15

Hewett Packard HP 42S RPN Scientific Calculator, with new batteries, works great

$ 162.8 $ 97.68

HP Hewlett-Packard 82104A Card Reader

$ 175.99 $ 105.59

Vintage Jobber II Calculator Feet-Inches-Sixteenths Engineering Calculator With

$ 22 $ 13.2

8K Memory Module For HP-75C / 75D Hewlett Packard 82700A, NOS in Box

$ 122.98 $ 73.78

Original HP-71B Front Keyboard Label, NOS

$ 61.34 $ 36.8

Hewlett-Packard HP-41C Application Pac SEALED Contents

$ 131.99 $ 79.19

Vintage HEWLETT-PACKARD HP-35 Scientific Calculator

$ 83.6 $ 50.16

HP 82143A PRINTER OWNER’S HANDBOOK #5

$ 17.59 $ 10.55

HP-85 I/O ROM in Box with Manual Division 61

$ 17.59 $ 10.55

HP-41C MEM-O-PAK, by A-Z Elecronics, RARE Acessory for HP-41C Calculator

$ 38.72 $ 23.23

HP 360LX Handheld Palmtop PC QWERTY F1238A Microsoft Windows CE Complete

$ 30.79 $ 18.47

Boxed HP-41 Translator Module for use with HP-71B Hewlett Packard Calculator.

$ 523.6 $ 314.16

1918 CONSUL THE EDUCATED MONKEY TIN VINTAGE CALCULATOR WORKS PERFECTLY!

$ 22 $ 13.2

HP 15C Scientific Calculator

$ 111.76 $ 67.05

VINTAGE UNISONIC 1212 SLIDE RULETTE CALCULATOR

$ 7.91 $ 4.74

Vintage HP 42s Scientific Calculator, including original soft case and manual

$ 114.4 $ 68.64

ti-55 iii

$ 3.96 $ 2.37

VINTAGE NATIONAL SEMICONDUCTOR NSC NS99 CALCULATOR with box and cover sleeve

$ 8.79 $ 5.27

Jeppesen Sanderson Avstar Piper Navigation Calculator Computer with Manual

$ 5.28 $ 3.16

Boxed HP-71B Hewlett Packard Calculator in excellent condition.

$ 787.6 $ 472.56

Boxed HP-IL Interface Module for use with HP-71B Hewlett Packard Calculator.

$ 171.6 $ 102.96

HP-71B 96k Card Reader Port RAM Module HHP **Very Good** Tested RARE

$ 422.14 $ 253.28

HP X Memory Module HP 82181A for HP-41C/CV/CX in BOX

$ 8.72 $ 5.23

Zengrange HP-41C Branded Pen

$ 0.87 $ 0.52

Manual, Plotter ROM Module for HP-41C, HP-41CV, HP-41CX 5061-5238, 82184A

$ 43.48 $ 26.08

Vintage Texas Instruments Business Edge Calculator Solar Tested Box And Manual

$ 30.8 $ 18.48

Huge Magnetic Card Collection, HP-Demonstration, NAPACOMP Holders, HP-41C

$ 21.12 $ 12.67

HP-75 Owner's Pac Cards, New Old Stock 00075-12001 Includes 10 Blank Cards!

$ 61.38 $ 36.82

Vintage Hewlett Packard HP 15C Scientific Calculator, new batteries, works great

$ 129.36 $ 77.61

VTG Litton Royal Digital Adding Machine Calculator Model242 PD (570) WORKS

$ 17.59 $ 10.55

HP 17BII Financial Calculator NEW Hewlett-Packard Business

$ 51.92 $ 31.15

Vintage 1986 Canon Scientific Statistical Calculator F-400/FS-400 Rare!

$ 25.52 $ 15.31

VINTAGE COLUMBIA ELECTRONIC CALCULATOR MD-12M WITH PAPERWORK WORKS GREAT

$ 52.8 $ 31.67

Vintage 1994 Advanced Concepts Crayola Crayons Box Calculator Binney OPEN BOX

$ 43.99 $ 26.39

Vintage Monroe 430 Litton Adding Machine Orange Panaplex Display Calculator

$ 31.9 $ 19.13

Vintage Hp Calculator Case Only No Calculator inlcuded

$ 17.55 $ 10.53

Vintage Exactra 20 Calculator EX-20 Texas Instruments Tested and Working - Nice!

$ 307.99 $ 184.79

SANYO ICC-801D NIXIE TUBE MEGA RARE VINTAGE CALCULATOR WORKS PERFECTLY!

$ 866.8 $ 520.07

HP-IL Acoustic Coupler HP82168A Owner's Manual

$ 21.99 $ 13.19

VINTAGE CASIO LOT OF GOODIES JAPAN CALCULATORS ALARM CLOCK CASSETTE INTERFACE

$ 25.52 $ 15.31

APF Mark 23 Slide Rule Calculator Tested W/ Sleeve and Manual

$ 17.6 $ 10.56

Vintage Hewlett Packard HP-15C Scientific Calculator w/Case PASSED SELF TESTS

$ 153.99 $ 92.39

VTG SEIKO SOUND PRODUCER RARE STOPWATCH JAPAN UNTESTED NO BATTERY

$ 11.43 $ 6.85

Solar Powered Casio Scientific Calculator FX-451 Made In Japan New Sealed

$ 131.99 $ 79.19

HP-IL/RS-232-C Interface HP82164A Owner's Manual

$ 21.99 $ 13.19

VINTAGE NOS SATOLEX POCKET MAN HGP03 CALCULATOR PEN MADE IN JAPAN.

$ 14.07 $ 8.44

HP-65 Hewlett Packard Scientific Calculator w/ Leather Case, Power Adapter

$ 158.4 $ 95.04

HP-IL Application Note Firmware Design for HP-IL Devices, New In Plastic

$ 26.39 $ 15.83

HP 82240b Printer with HP Power Supply

$ 74.8 $ 44.88

HP 25 printing calculator - Refurbished / MAJOR Upgrades. Includes HP Printer.

$ 129.8 $ 77.88

1987 Vintage Hewlett Packard 32SII Scientific Calculator - Works Fine

$ 10.21 $ 6.13

Boxed Surveying Module for use with HP-71B Hewlett Packard Calculator.

$ 171.6 $ 102.96

Hewlett-Packard HP-41CX Calculator with Surveying Pac, Manuals, Case, Overlays

$ 241.99 $ 145.19

Vintage Casio AL-8 Calculator with Case - Working

$ 5.27 $ 3.16

Texas Instruments BA-III Executive Business Calculator NEW NIB Unopened

$ 29.91 $ 17.94

Qualitron Calculator 1420 Senior Scientific Vintage Case, Box RED display. Mint

$ 35.19 $ 21.11

BUSINESS DECISIONS & STANDARD Pac -Vintage HP67/97 Calculators w/Box & Manual

$ 66 $ 39.6

Vintage Hewlett Packard HP-71B Owners and Reference Manual, Interface and Util

$ 114.39 $ 68.63

1987 HP-12C OWNER'S HANDBOOK & PROBLEM SOLVING GUIDE FINANCIAL CALCULATOR

$ 8.75 $ 5.25

Vintage Hewlett-Packard HP 67 Programmable Calculator Working Complete w/Box

$ 299.2 $ 179.52

hp 15c Calculator

$ 154 $ 92.4

Tandy PC-7 Pocket Scientific Computer w/manual

$ 25.52 $ 15.31

Sparcom Mathematics Pac for HP 48SX 48GX Hewlett Packard Calculators, tested

$ 51.92 $ 31.15

VTG Canon Checkbook Calculator Money Manager Solar Power - vinyl case WORKS!

$ 13.11 $ 7.86

Texas Instruments Little Professor Math Learning Quiz Calculator

$ 17.6 $ 10.56

HP-27 Owner's Handbook, January 1976, Very Good with all Cards!

$ 78.55 $ 47.13