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    Best Selling

    See All- Best Selling
    • Casio IF-8000 Digital Diary *LCD Touch Screen* 1980s vintage Calculator
      Casio IF-8000 Digital Diary *LCD Touch Screen* 1980s vintage Calculator
      $53.21 New
    • Canon Flash Card Ls-701h Vintage Solar Calculator Old Stock
      Canon Flash Card Ls-701h Vintage Solar Calculator Old Stock
      $19.00 New
    • Casio Time Face Qa-100 Handheld Calculator Analog Clock Alarm
      Casio Time Face Qa-100 Handheld Calculator Analog Clock Alarm
      (1)Total Ratings 1
      $28.80 New
    • Texas Instruments Ti-2200 II Checkwriter Checkbook Calculator NOS
      Texas Instruments Ti-2200 II Checkwriter Checkbook Calculator NOS
      (1)Total Ratings 1
      $69.95 New
    • Unisonic Calculator Printer Display XL1149N 10 DIGIT 4 Key Memory
      Unisonic Calculator Printer Display XL1149N 10 DIGIT 4 Key Memory
      (2)Total Ratings 2
      $22.75 New
      $19.99 Used
    • Victor 7010 Calculator
      Victor 7010 Calculator
      $7.92 New
    • All

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    15,074 Results

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      • All Listings filter applied
    • 3000 mAh Battery for HP35, HP45, HP55, H65, HP67, HP80 calculator, fully charged
      SPONSORED

      3000 mAh Battery for HP35, HP45, HP55, H65, HP67, HP80 calculator, fully charged

      $13.50
      $5.25 shipping
      Only 3 left
    • HEWLETT PACKARD HP-41 EXTENSION MODULE, HP 82182A TIME MODULE OWNER'S MANUALS

      HEWLETT PACKARD HP-41 EXTENSION MODULE, HP 82182A TIME MODULE OWNER'S MANUALS

      $20.50
      3 bids
      $15.00 shipping
      Ending Today at 4:04PM PST52m 46s
    • Hewlett Packard HP 97 Calculator For REPAIR Battery AC Adapter 3 Paper Free Ship

      Hewlett Packard HP 97 Calculator For REPAIR Battery AC Adapter 3 Paper Free Ship

      $199.97
      or Best Offer
    • VINTAGE HEWLETT-PACKARD 82087 B RECHARGER IN ORIGINAL BOX

      VINTAGE HEWLETT-PACKARD 82087 B RECHARGER IN ORIGINAL BOX

      $9.99
      1 bid
      $7.00 shipping
      Ending Today at 4:02PM PST50m 46s
    • Vintage Exactra 20 Texas Instruments Calculator - Star Wars Bubble Strip

      Vintage Exactra 20 Texas Instruments Calculator - Star Wars Bubble Strip

      $175.00
      0 bids
      $5.70 shipping
      Ending Feb 7 at 12:36PM PST6d 21h
      or Best Offer
    • Vintage HP 41CV HALF-NUT Scientific Calculator - GOOD & WORKING Condition

      Vintage HP 41CV HALF-NUT Scientific Calculator - GOOD & WORKING Condition

      $175.00
    • Parts from Hewlett Packard HP 41C 41CV Calculator

      Parts from Hewlett Packard HP 41C 41CV Calculator

      $25.00
      Free shipping
    • 60+ Various Hewlett Packard HP 97 Program Cards & 24 Blank Cards - Free Ship

      60+ Various Hewlett Packard HP 97 Program Cards & 24 Blank Cards - Free Ship

      $89.97
      or Best Offer
    • HP 35s RPN Scientific Calculator 2-Line display (HP's Last Production Run).

      HP 35s RPN Scientific Calculator 2-Line display (HP's Last Production Run).

      $169.00
      $8.95 shipping
    • Hewlett-Packard HP-15C Programmable Scientific Calculator+Case

      Hewlett-Packard HP-15C Programmable Scientific Calculator+Case

      $150.00
      0 bids
      or Best Offer
      Ending Today at 3:35PM PST24m 1sLocal Pickup
    • HP 42s Scientific Calculator

      HP 42s Scientific Calculator

      $100.00
      1 bid
      $10.95 shipping
      Ending Wednesday at 4:53PM PST1d 1h
    • HP-16c Hewlett-Packard Computer Scientist Calculator

      HP-16c Hewlett-Packard Computer Scientist Calculator

      $130.00
      1 bid
      $12.55 shipping
      Ending Thursday at 10:57AM PST1d 19h
    • Hewlett-Packard HP 15C Scientific Handheld Calculator

      Hewlett-Packard HP 15C Scientific Handheld Calculator

      $100.00
      1 bid
      $5.85 shipping
      Ending Friday at 10:23PM PST3d 7h
    • Vintage Sharp EL-6250H Dial Master Pocket Calculator/Phone Dialer EXCELLENT

      Vintage Sharp EL-6250H Dial Master Pocket Calculator/Phone Dialer EXCELLENT

      $19.95
      0 bids
      $6.35 shipping
      Ending Feb 7 at 2:10PM PST6d 22h
    • HP-41C / 41CV Books and reference cards etc...

      HP-41C / 41CV Books and reference cards etc...

      $10.50
      5 bids
      $7.85 shipping
      Ending Saturday at 5:30PM PST4d 2h
    • Vintage TA Adler 120PD Electronic Business Calculator w paper working condition

      Vintage TA Adler 120PD Electronic Business Calculator w paper working condition

      $49.00
      $15.85 shipping
    • Texas Instruments TI Vintage MBA Business Calculator Original Case + 2 Manuals

      Texas Instruments TI Vintage MBA Business Calculator Original Case + 2 Manuals

      $14.00
      $5.95 shipping
      or Best Offer
    • HP 67 Vintage UNTESTED Calculator with Instruction Manuals Original Case

      HP 67 Vintage UNTESTED Calculator with Instruction Manuals Original Case

      $133.00
      1 bid
      $11.45 shipping
      Ending Wednesday at 3:37PM PST1d
    • Hewlett Packard HP 32SII RPN Scientific Calculator with Sleeve, Owner's Manual

      Hewlett Packard HP 32SII RPN Scientific Calculator with Sleeve, Owner's Manual

      $140.00
      0 bids
      $11.45 shipping
      Ending Feb 7 at 11:04AM PST6d 19h
      or Best Offer
    • vintage sanyo calculator cx 8137 nice shape

      vintage sanyo calculator cx 8137 nice shape

      $3.99
      0 bids
      $5.85 shipping
      Ending Today at 3:20PM PST8m 57s
      or Best Offer
    • Hewlett Packard HP 15C Scientific Pocket Calculator& Case USA Tested-Works 1985

      Hewlett Packard HP 15C Scientific Pocket Calculator& Case USA Tested-Works 1985

      $89.00
      1 bid
      $5.85 shipping
      Ending Feb 5 at 12:28PM PST4d 21h
      Benefits charity
    • Vintage Sharp EL-5150 With Text Scientific Calculator w/ Box, Manual - WORKS

      Vintage Sharp EL-5150 With Text Scientific Calculator w/ Box, Manual - WORKS

      $66.00
      12 bids
      $10.85 shipping
      Ending Wednesday at 6:01PM PST1d 2h
    • Vintage Texas Instruments TI-55 Programmable Calculator Red LCD Display & Case

      Vintage Texas Instruments TI-55 Programmable Calculator Red LCD Display & Case

      $9.99
      $5.60 shipping
    • New Neoprene Rubber Feet for HP-10C, HP-11C, HP-12C, HP-15C, HP-16C Calculators

      New Neoprene Rubber Feet for HP-10C, HP-11C, HP-12C, HP-15C, HP-16C Calculators

      $4.50
      $0.50 shipping
    • HP-41CY TURBO with 64K RamBox

      HP-41CY TURBO with 64K RamBox

      $577.00
      15 bids
      $69.00 shipping
      Ending Feb 9 at 11:30AM PST8d 20h
    • HP 12c Platinum Financial Calculator

      HP 12c Platinum Financial Calculator

      $8.30
      0 bids
      $5.60 shipping
      Ending Feb 7 at 1:10PM PST6d 21h
      or Best Offer
    • Vintage Texas Instruments TI-55 Scientific Calculator + OEM Case UNTESTED AS-IS

      Vintage Texas Instruments TI-55 Scientific Calculator + OEM Case UNTESTED AS-IS

      $2.99
      1 bid
      $10.65 shipping
      Ending Wednesday at 4:09PM PST1d
    • HP Hewlett Packard 12C Financial Calculator

      HP Hewlett Packard 12C Financial Calculator

      $15.90
      Free shipping
      or Best Offer
    • VTG HP 41CX Scientific Calculator w/EXTRAS & CASE Untested

      VTG HP 41CX Scientific Calculator w/EXTRAS & CASE Untested

      $29.00
      9 bids
      $5.00 shipping
      Ending Friday at 4:00PM PST3d
    • SR-50A Texas Instruments Slide Rule Calculator BRAND NEW OLD STOCK RARE 1975

      SR-50A Texas Instruments Slide Rule Calculator BRAND NEW OLD STOCK RARE 1975

      $9.99
      1 bid
      $11.99 shipping
      Ending Friday at 12:36PM PST2d 21h
    • Hewlett Packard HP 10C Scientific Calculator

      Hewlett Packard HP 10C Scientific Calculator

      $79.99
      0 bids
      Free shipping
      Ending Feb 7 at 8:10AM PST6d 16h
    • Vintage Hewlett Packard HP 41CV Calculator Working

      Vintage Hewlett Packard HP 41CV Calculator Working

      $119.99
      $7.64 shipping
      10 watching
    • Hewlett Packard HP 32S II RPN Scientific Calculator with Case - TESTED

      Hewlett Packard HP 32S II RPN Scientific Calculator with Case - TESTED

      $115.00
      $5.65 shipping
      or Best Offer
    • 1976 Texas Instruments The Little Professor Calculator in Original Box w/ Book

      1976 Texas Instruments The Little Professor Calculator in Original Box w/ Book

      $99.00
      $11.75 shipping
    • HP Calculator Battery, 1000mAh- (NiCd) for HP35, 45, 55, 65, 67, 75C/75D

      HP Calculator Battery, 1000mAh- (NiCd) for HP35, 45, 55, 65, 67, 75C/75D

      $11.50
      $5.25 shipping
      185 sold
    • Hewlett Packard Calculator Classic USB Charger/Adapter HP-35,45,55,65,67 AutoOFF

      Hewlett Packard Calculator Classic USB Charger/Adapter HP-35,45,55,65,67 AutoOFF

      $29.00
      $4.75 shipping
      49 sold
    • Gummy Wheel Repair Hewlett Packard Calculator HP-65, 67, and HP-97

      Gummy Wheel Repair Hewlett Packard Calculator HP-65, 67, and HP-97

      $5.00
      $4.50 shipping
      362 sold
    • Hewlett-Packard HP 41CV Keyboards ~ JUNK LOT Broken Calculator Parts INCOMPLETE

      Hewlett-Packard HP 41CV Keyboards ~ JUNK LOT Broken Calculator Parts INCOMPLETE

      $44.99
    • Vintage Sharp EL-805s Liquid Crystal Pocket Calculator With Case Works

      Vintage Sharp EL-805s Liquid Crystal Pocket Calculator With Case Works

      $89.00
      1 bid
      $12.55 shipping
      Ending Saturday at 11:06AM PST3d 19h
    • HP 65 Calculator with Adapter, Leather Case, Reference Guide, and Standard PAC

      HP 65 Calculator with Adapter, Leather Case, Reference Guide, and Standard PAC

      $122.50
      4 bids
      $13.40 shipping
      Ending Feb 5 at 1:48PM PST4d 22h
    • HP SPICE Calculators 33E 38C, 3-82087D AC Rechargers NIB, Quick Reference 34, 38

      HP SPICE Calculators 33E 38C, 3-82087D AC Rechargers NIB, Quick Reference 34, 38

      $61.00
      2 bids
      $24.95 shipping
      Ending Feb 5 at 8:55AM PST4d 17h
    •  Alkaline Hewlett Packard Calculator Battery CASE  HP 35, 45, 55, 65, 67, and 80

      Alkaline Hewlett Packard Calculator Battery CASE HP 35, 45, 55, 65, 67, and 80

      $17.50
      $4.50 shipping
      434 sold
    • Texas Instruments PC-100C & Programmable 59 Calculator - Working w/ Manuals

      Texas Instruments PC-100C & Programmable 59 Calculator - Working w/ Manuals

      $47.00
      1 bid
      $15.60 shipping
      Ending Wednesday at 3:44PM PST1d
    • 1976 Texas Instruments Little Professor ELECTRONIC MATH QUIZ Calculator WORKS

      1976 Texas Instruments Little Professor ELECTRONIC MATH QUIZ Calculator WORKS

      $21.00
      $6.00 shipping
      or Best Offer
    • HP 71B Hewlett Packard Scientific Calculator + HPIL 1B module  latest ROM 2CDCC

      HP 71B Hewlett Packard Scientific Calculator + HPIL 1B module latest ROM 2CDCC

      $449.95
      16 watching
    • HP-11C RPN Calculator, Case and Manual

      HP-11C RPN Calculator, Case and Manual

      $90.00
      $12.55 shipping
      or Best Offer
    • Rare Functional Texas Instruments Exactra 20 Calculator  Star Wars bubble strip

      Rare Functional Texas Instruments Exactra 20 Calculator Star Wars bubble strip

      $225.00
      1 bid
      $10.95 shipping
      Ending Saturday at 10:10AM PST3d 18h
    • 40 Hewlett Packard Magnetic Cards for HP 41 Series Calculators ~ Blank Program

      40 Hewlett Packard Magnetic Cards for HP 41 Series Calculators ~ Blank Program

      $49.99
      or Best Offer

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • Casio SL-300SV Basic Calculator
      Casio SL-300SV Basic Calculator
      (97)Total Ratings 97
      97% agree - Would recommend
      $6.48 New
    • Texas Instruments 1795 SV Basic Calculator
      Texas Instruments 1795 SV Basic Calculator
      (66)Total Ratings 66
      100% agree - Would recommend
      $15.35 New
      $9.79 Used
    • HP Financial Calculator - 10BII
      HP Financial Calculator - 10BII
      (193)Total Ratings 193
      82% agree - Would recommend
      $29.95 New
    • Casio FX-9750GPlus Graphing Calculator
      Casio FX-9750GPlus Graphing Calculator
      (44)Total Ratings 44
      100% agree - Would recommend
      $14.95 New
      $12.88 Used
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