When was the calculator invented
[DOC File]Calculator Spelling
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who invented the first mechanical calculator in 1642. Title: Calculator Spelling Author: Predator Last modified by: Predator Created Date: 5/18/2012 3:20:00 AM Other titles: Calculator Spelling ...
[DOC File]History of Mathematics Biographical Paper
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Sangi is a kind of calculator that was invented in China. Sangi looks like match sticks and are used on a special board called Sanban. Old Chinese people could do addition, subtraction, multiplication, division, square root, and polynomial equations with one unknown by t’ien yuan shu algebra by using sangi (Kotera, 1996; Fig.1).
[DOC File]History of Computers
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Programmable Devices: Mechanical calculators were popular in 1800s, but the first programmable machine was not a calculator, but a loom. 1801, Joseph-Marie Jacquard invented a programmable loom in which removable punch cards were used to represent patterns.
[DOC File]First Electronic Handheld Calculator - The electronic hand ...
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The electronic hand-held calculator was invented at Texas Instruments in 1967 by Jack Kilby, Jerry Merryman, and James Van Tassel. Measuring 4-1/4 x 6-1/8 x 1-3/4-inches, it was the first mini-calculator to have the high degree of computational power found only at the time in considerably larger machines.
[DOC File]A Brief History of Spreadsheets
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, came up with the idea for an interactive visible calculator (see email from . Frankston, 4/15/1999a). Bricklin and Bob Frankston then co-invented or co-created the software program VisiCalc. We can look back and recognize that VisiCalc was the first "killer" application for personal computers. What is a …
[DOC File]Constructing and Using a Stocker Final Glide Calculator
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Constructing and Using a Stocker Final Glide Calculator . By Moshe Braner, last updated January 19, 1999. Overview. In the book "Cross Country Soaring", Helmut Reichmann describes a graphical final glide calculator that is designed to be laid over a map.
[DOC File]Quick Takes: Calculators in the Classroom
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In 1966, a development team at Texas Instruments invented a miniature calculator that would change the lives of many. One could use the device to perform simple mathematical computations more quickly and more precisely than with paper and pencil.
[DOC File]Computer History Timeline
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Pocket calculator: Pocket calculator was invented by Sharp Corporation . Floppy Disk: Floppy Disk was invented by David Noble with IBM - Nicknamed the "Floppy" for its flexibility. 1972 First Video Game: Atari releases Pong, the first commercial video game . The CD: The compact disc is invented in …
[DOC File]Computer Revolution
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mechanical calculator. The earlier forms of the calculator made. use of clockwork gears and levers. Blaise Pascal, who was only nineteen years old at the time, invented the first known automatic calculating machine in France in 1642. To add and subtract, the machine, the Pascaline, rotated wheels to register values and used a lever to perform the
[DOC File]Terminology, chapter 1:
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A processor or number calculator. A control unit to direct tasks to be performed. An output device. Babbage got an idea of the analytical engine, from watching a loom attachment invented by Jacquard. The analytical engine was designed to read two sets of material, store them, and do mathematical operations on them.
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