Who invented the portable calculator
[DOC File]SUBJECT: history of Inventions Working Papers
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Name of Invention: Calculating Machine Calculator. Name of Inventor: William Seward Burroughs Born Jan 28 1857 - Died Sep 14 1898. Patent Number: Patent Number(s) 388,116. Description: William Seward Burroughs invented the first practical adding and listing machine.
[DOC File]Computer History Timeline
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The abacus, the first known calculator, was invented in Babylonia ... Altair produces the first portable computer . Microsoft Corporation: The Microsoft Corporation was founded April 4, 1975 by Bill Gates and Paul Allen to develop and sell BASIC interpreters for the Altair 8800 ...
[DOC File]PART 1: Introduction and Basic Number and Counting Systems
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This last example shows the importance of using a calculator in certain situations and taking care to avoid clearing the calculator’s memory or display until you get to the very end of the process. Example 11. Convert the base 10 number, 6320110, to base 7. The powers of 7 are: 70 = 1 71 = 7. 72 = 49. 73 = 343. 74 = 2401. 75 = 16807. etc…
[DOCX File]Activity 1.9 Design Innovation
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Activity 1.7 Design Innovation. Introduction. Name a product or process that is truly an original invention. You possibly named an Xbox or an iPhone. These products are examples of high-quality consumer products; however, neither is an invention.
[DOCX File]Chapter 3
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Feb 11, 2011 · He invented the calculus, topology, determinants, binary arithmetic, symbolic logic, rational mechanics, and much else besides. But like Leonardo, Leibniz also constructed machines: wheels that ran on treads, windmills that worked by scoops, and an arithmetical machine that was—and still is—one of the wonders of the world of geared engineering.
[DOC File]Speech - Mark Maurer
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The portable talking calculator had just been invented, and I had one of them to use for tax calculations. I decided to show it to my professor. I thought he might find it of interest since it was the newest breakthrough in technology for the blind.
[DOC File]1 - INTRODUCTION
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He was known as a mathematician, logician and cryptographer. In 1623, Wilhelm Schickard built the first automatic calculator. His magnificent machine could perform basic arithmetic operations on integer inputs. Charles Babbage, invented the first modern prototype.
[DOC File]COMPED 1 HANDOUT
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YEAR INVENTED/DEVELOPED – 1674. DESCRIPTION: an improvement of Pascal’s machine which is a form of calculator. REASON WHY DEVELOPED: for his father’s mercantile business. FUNCTION(S): it can add, subtract, multiply, divide and extract square roots.
[DOCX File]SDDIET
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Create a Calculator using JAVASCRIPT. 10. Create a Web page using java script to verify a Student Record. ... floppy disks (often called floppies or diskettes) are portable, because you can remove them from a disk drive. Disk drives for floppy disks are called floppy drives. Floppy disks are slower to access than hard disks and have less ...
[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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