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Mechanical calculator

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Mechanical Marvel Calculators - Schickard Calculating Machine

Vintage Magic Brain Mechanical Pocket Calculator, Made in Japan | by France1978 Alter Computer, Mechanical Calculator, Book Locket Necklace, Steampunk Book, Vintage Magic, Slide Rule, Computer History, Book Locket, Old Computers

Mechanical Calculator

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Vintage Magic Brain Mechanical Pocket Calculator, Made in Japan

Explore France1978's 31272 photos on Flickr!

Greatest mechanical calculating devices of all time - Boing Boing Mechanical Calculator, Slide Rule, Computer History, Addition And Subtraction, Microsoft Windows, Calculator, Science And Technology, All About Time, Not Found

Mechanical Calculator

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Microsoft Windows

Science And Technology

Greatest mechanical calculating devices of all time

Mechanical calculators are fascinating and represent the early ingenuity and groundbreaking prowess that paved the way for modern computing.

1700: Pre-Steampunk? - The Staffelwalze, or Stepped Reckoner, a digital calculating machine invented by Gottfried Wilhelm Leibniz around 1672 and built around 1700. It was the first known calculator that could perform all four arithmetic operations; addition, subtraction, multiplication and division. 67 cm (26 inches) long. The cover plate of the rear section is off to show the wheels of the 16 digit accumulator. Flipped Classroom, Reflecting Telescope, Mechanical Calculator, Multiplication And Division, Two Way Radio, Hacking Computer, Student Created, Astronomer, Calculator

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Student Created

Full Size Picture Leibnitzrechenmaschine.jpg

1700: Pre-Steampunk? - The Staffelwalze, or Stepped Reckoner, a digital calculating machine invented by Gottfried Wilhelm Leibniz around 1672 and built around 1700. It was the first known calculator that could perform all four arithmetic operations; addition, subtraction, multiplication and division. 67 cm (26 inches) long. The cover plate of the rear section is off to show the wheels of the 16 digit accumulator.

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Computer History Museum

Calculator Design

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Theatrical Scenery

Steampunk Gadgets

Computer History

Computer History Museum

In 1673, Leibniz built the first true four-function calculator. His unique, drum-shaped gears formed the basis of many successful calculator designs for the next 275 years, an unbroken record for a single underlying calculator mechanism. Leibniz built several versions of the Stepped Reckoner over about 45 years. Only one survives today.

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Mechanical Calculator

Antique Typewriter

Computer History

The Surprising Complexity of Old-School Calculators

Photos capture the mechanical beauty of the mechanical calculator, a heavy device often about the size of a small computer that cost thousands in today’s dollars. They were indispensable tools used for the most complex business and engineering problems of the time.

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Mechanical Calculator

Repeated Addition

Computer History

Hipster Wallpaper

Information Processing

Pascal to Apple: The geekiest auction ever (pictures)

An Apple-1 and a 17th century mechanical calculator replica are just a few of the nerd delights on auction later this month.

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Elegant Office Solutions: Enhance Productivity with a Beige Mechanical Calculator

12 Digits Mechanical Switch Calculator Large LCD Display Desktop Calculator Large and Sensitive Button Financial Calculator for Office, Home, and School (Beige)

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Difference Engine

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Charles Babbage

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What Is Computer

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La Maquina Analitica

También en el siglo XIX el matemático e inventor británico Charles Babbage elaboró los principios de la computadora digital moderna. Inventó una serie de máquinas, como la máquina diferencial, diseñadas para solucionar problemas matemáticos complejos. Muchos historiadores consideran a Babbage y a su socia, la matemática británica Augusta Ada Byron (1815-1852), hija del poeta inglés Lord Byron, como a los verdaderos inventores de la computadora digital moderna. La tecnología de aquella época…

Advertisement of the Curta from 1963. technophilicmag.com Curta Calculator, Engineering Poster, Old Calculator, Mechanical Computer, Mechanical Calculator, Latest Technology Gadgets, Vintage Industrial Design, Slide Rule, Computer History

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Engineering Poster

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Curta: a mechanical pocket calculator

Advertisement of the Curta from 1963. technophilicmag.com

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