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History of calculators

History of calculators. BY:NEZAR ZAHRA. What are calculators and what is it used for . A calculator is an electronic device used for figuring out math problems. A man from New York, William Seward Burroughs, made the first calculating machine in 1885 . Why is the calculator important.

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History of calculators

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  1. History of calculators BY:NEZAR ZAHRA

  2. What are calculators and what is it used for • A calculator is an electronic device used for figuring out math problems. • A man from New York, William Seward Burroughs, madethe first calculating machine in 1885.

  3. Why is the calculator important • The calculator is important because it helps people solve math problems. • The cashier uses it to figure out how much a customer will pay, and the change to give to the customer.

  4. Why did the calculator change • It changed to become smaller and less weight so it is easier to carry about. • It changed because people wanted more information in it. • Help our knowledge • It changed because in the past the calculators where hard to use and much expensive

  5. How did the calculator change • It changed by scientists improving it • New inventions • The color and the designs.

  6. Why is the calculator relevant • The calculator is relevant because it helps our knowledge.

  7. How does the calculatorwork • It works by pressing buttons on the pad • It has energy from the batteries that are included.

  8. Key concepts • Why do calculators still have buttons? • They have buttons because you can put the numbers that you want. • Why did the calculators change overtime • The calculators changed over time because we can use it easier • How does the calculator connect to the computer. • The calculator connects to the computer because the computer is a technological device.

  9. Web sites I used and my video • http://www.brainpop.com/math/dataanalysis/usingacalculahttp • http://www.factmonster.com • www.Askkids

  10. Calculator today

  11. Calculators from the past

  12. Calculators in the future

  13. THE END

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