November 23, 2008
The first calculators were abacuses, followed by the slide rule (invented by William Oughtred in 1622), and then mechanical calculators like the Comptometer in the early 1900s. Electronic calculators emerged in the 1960s, but were large and heavy because they required many transistors. It wasn't until the 1970s that integrated circuits made small portable electronic calculators possible.
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Curta I Calculator In New Condition Buy it Now$810.00 Ends Sunday 2 bids
Curta Ii Calculator, # 552877 Excellent! One Owner $622.00 Ends in 15 hours 3 bids
Curta Type Ii Mechanical Calculator C1957 With Case$527.00 Ends in 11 hours 21 bids
Curta Calculator. Type Ii, No. 542212 Appears Mint Nr$455.00 Ends Monday 3 bids
Hewlett Packard Hp-11c Calculator Vintage $227.50 Ends in 7 hours 23 bids
Vintage 1908 Fuller Calculator, Case, K&e, Remov Handle$202.50 Ends in 12 hours 2 bids
Vintage Hewlett Packard Hp 11c Scientific Calculator$134.50 Ends Monday 9 bids
Hp-25 Vintage Programmable Calculator + Manual + More$95.99 Ends in 23 hours 2 bids
Vintage Casio Cfx 200 Scientific Calculator Watch$55.02 Ends Monday 10 bids
Hp-35 Vintage Hp Scientific Calculator - Original Owner$53.01 Ends in 14 hours 5 bids
Hewlett Packard Hp 41cv Vintage Scientific Calculator$51.09 Ends in 9 hours 2 bids
New Vintage Casio Fx-750p Calculator Pocket Computer$51.00 Ends Thursday 3 bids
Vintage Friden Calculator Very Early 1940s??$49.99 Ends Tuesday 1 bid
Vintage Pocket Mechanical Calculator Slide Rule 1960s$39.99 Ends Wednesday 1 bid
Vintage Hewlett Packard Hp45 Scientific Calculator Hp$36.00 Ends Wednesday 7 bids
Hewlett Packard Hp 12c Financial Calculator Vintage$35.00 Ends in 10 hours 12 bids
Hewlett Packard Hp 9815a Vintage Programable Calculator$33.09 Ends Tuesday 2 bids
Vintage Hp 35 Calculator & Leather Case Hewlett Packard$31.56 Ends in 9 hours 7 bids
Quality Antique/ Vintage, Faux Ivory Calculator / Rule $29.63 Ends Sunday 1 bid
Vintage Singer Model 1114 Nixie Electronic Calculator$29.00 Ends Thursday 1 bid
1970s Mint Triumph Ec 60 Vintage Led Calculator Adler$26.00 Ends Monday 2 bids
Vintage Casio Computer Co. Micro - Mini Calculator Nr!$26.00 Ends Friday 7 bids
Vintage Golden Gem Adding Machine,pocket Calculator,old$26.00 Ends in 13 hours 8 bids
Vintage Texas Instruments Ti Sr-51 Calculator - Rare$20.51 Ends in 13 hours 3 bids
Casio Vintage Calculator Black Watch Ca-53w Ca53w Ca-53$17.50 Ends Tuesday 1 bid
Vintage Casio Ca901 Calculator And Game Watch$15.50 Ends Monday 4 bids
Antique Metal Comptometer Adding Machine Calculator Box$15.50 Ends Wednesday 2 bids
Vintage Little Professor Calculator Texas Instruments$15.00 Ends Monday 2 bids
Hp 41cv Vintage Scientific & Programmable Calculator$13.50 Ends Friday 4 bids
Rare Vintage Nixie Tube Calculator Facit 1124$10.50 Ends in 6 hours 2 bids
Hewlett Packard Vintage Scientific Hp-21 Calculator$10.49 Ends Tuesday 3 bids
1978 Vintage Little Professor Calculator Game Works$9.99 Ends Tuesday 1 bid
New Vintage '70s National Semiconductor 835 Calculator!$9.99 Ends Friday 1 bid
Vintage Dutton Steam Cost Slide Rule Calculator $9.99 Ends Monday 1 bid
Unisonic 740 Vintage Led Calculator Works Nib $9.99 Ends Wednesday 1 bid
3 Pc Lot Vintage Iskenderian Isky Racing Cam Calculator$9.99 Ends Wednesday 1 bid
Clean Vintage Casio Fx-700p Programmable Calculator$9.99 Ends Wednesday 2 bids
Vintage Mechanical Calculator Magic Brain Nip$9.99 Ends Monday 1 bid
Vintage 1970s Mits Calculator Sales Brochures Ads Lot$9.99 Ends Tuesday 1 bid
Vintage Hewlett Packard Hp-12c Financial Calculator$8.50 Ends Tuesday 2 bids
Vintage Texas Instruments Calculator /print Ti-5130 Ii$8.00 Ends in 11 hours 2 bids
Vintage Otis King Spiral Slide Rule Calculator$6.37 Ends Wednesday 2 bids
Vintage Bowmar "the Answer 2" Calculator Model 905$4.99 Ends in 3 hours 1 bid
Vintage Bohn Rex-rotary Omnitrex Calculator W/ Manual$4.99 Ends Monday 1 bid
Vintage Sharp El-8005s Calculator + Extras 1970s Retro$3.69 Ends in 9 hours 1 bid
Vintage Swiss Uster Calculator For Textiles, Fibres$1.47 Ends Wednesday 1 bid
Vintage Radio Shack Ec 5100 Business Calculator$1.25 Ends in 11 hours 2 bids
Vintage Hp-35 Scientific Calculator Hp35 - Rare -$1.00 Ends Monday 1 bid
Vintage Radio Shack Olive Green Ec-2001 Desk Calculator$0.99 Ends Monday 1 bid
Vintage Made In Hong Kong Calculator Watch$0.99 Ends in 12 hours 1 bid
Commodore Us*1 Vintage Electronic Calculator 1970s Era$0.99 Ends in 8 hours 2 bids
Vintage Texas Instruments Ba 45 Business Calculator$0.01 Ends in 11 hours 1 bid
