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Download e-book for iPad: Ancient Computing Technology: From Abacuses to Water Clocks by Michael Woods

By Michael Woods

ISBN-10: 0761365281

ISBN-13: 9780761365280

ISBN-10: 0761372717

ISBN-13: 9780761372714

Do you know . . .Ancient cultures measured time effectively with water clocks? An engineer within the first century B.C. designed an odometer to calculate distance traveled? humans computed the 1st values of pi approximately 4 thousand years in the past? Computing know-how is as outdated as human society itself. the 1st people on the earth used uncomplicated computing talents. They counted by means of carving tally marks in bone. They used physique elements and simple instruments to degree. Over the centuries, historic peoples realized extra approximately computing. humans within the old heart East used scales to degree items for buying and selling. the traditional Egyptians wrote textbooks together with multiplication and department difficulties. the traditional chinese language constructed an abacus for fast calculations. historic Greeks made advances in geometry. What forms of instruments and methods did historic mathematicians use? Which in their innovations and discoveries have stood the try out of time? and the way did the ancients set the degree for our personal sleek computing? examine extra in historic Computing expertise.

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Extra resources for Ancient Computing Technology: From Abacuses to Water Clocks (Technology in Ancient Cultures)

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Another set required students to find proportions and percentages for trading goods. Other sets of problems involved questions of engineering, taxes, and finding costs. Many of the problems in the Nine Chapters required complicated calculations with fractions. Ast r o n o my in An c i e nt T e xts Like other ancient cultures, the ancient Chinese took an interest in the movement of the Sun, the Moon, the stars, and other heavenly objects. They carefully kept track of changes in the night sky. c.

Ast r o n o my in An c i e nt T e xts Like other ancient cultures, the ancient Chinese took an interest in the movement of the Sun, the Moon, the stars, and other heavenly objects. They carefully kept track of changes in the night sky. c. Those are some of the oldest eclipse records in existence. Astronomy is the focus of one famous Chinese text. C. D. 100, illustrate the Pythagorean Theorem of triangles. This copy of the book was reprinted from the Chinese original in 1603. 44 ANCIENT COMPUTING TECHNOLOGY Calculating Pi S everal Chinese mathematicians found impressively accurate values of pi.

They used these objects in ceremonies to gain insight to the future. The inscriptions recorded the number of animals sacrificed, prisoners taken in war, animals hunted, and more. These are the earliest recorded Chinese numerals. Lines and curves formed the symbols for the numbers 1 through 9. These combined with symbols for 10, 100, and 1,000 to make larger numbers. , stick numerals were used in a placevalue system. These numerals were short lines. The numbers 1 to 5 were represented with one to five lines.

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Ancient Computing Technology: From Abacuses to Water Clocks (Technology in Ancient Cultures) by Michael Woods


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