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an early attempt by William schickard was recorded
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blaise pascal solved earlier problems with his model
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Thomas's arithometer was the first successfully commercial model
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a company called The Casio Company released a calculator called model 14-A that was fully electric and relatively compact.
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THE WORLDS FIRST ALL-ELECTRIC COMPUTER THE british bell punch was invented
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Bulgaria's ELKA 1652
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portable calculators in Japan in 1970, and were soon marketed all over world. These included the Sanyo ICC-0081 "Mini Calculator", the Canon Pocketronic, and the Sharp QT-8B "micro Compet". The Canon Pocketronic was a development of the "Cal-Tech" project that stared Texas Instruments in 1965
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January 1971 the Sharp EL-8, also marketed as the Facit 1111, which was close to being a pocket calculator. It weighed 1.59 pounds (721 grams), had a vacuum fluorescent display,rechargeable NiCad batteries and sold for $US395
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In 1973, Texas Instruments introduced the SR-10 an algebraic entry pocket calculator using scientific notation for $150
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The first Soviet pocket battery-powered programmable calculator, Elektronika B3-21, was made around 1977 and sold in the 1978.
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December 2011 the UK's Minister of State for Schools voiced concern that children can become dependent on the use of calculators.As a result, the use of calculators is to be included as part of a review of the Curriculum.
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as you can see calculators have become a part of our daily life as we look back we see just how far calculators have come. I beg you to answer me this yes life is convienient with them but are they necessary/