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by ryland001
Last updated 5 years ago

Inventors and Inventions

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In the very beginning, was the abacus, a sort of hand operated mechanical calculator using beads on rods, first used by Sumerians and Egyptians around 2000 BC.

Calculators are now made of cheap thin plastic. They have changed drasticly in a way that they have become elecronic and not manual. They have also decreased in size.

A calculator is a device that performs arithmetic operations on numbers. Simple calculators can do only addition, subtraction, multiplication, and division.

Today's more sophisticated calculators can handle exponent ial operations, roots, logarithm s, trigonometric functions, and hyperbolic functions.

beans or stones moved in grooves in sand or on tablets of wood, stone, or metal.

Year Invented

Original Look

What it Does

Modern Look

The first pocket calculators cost 100.00, displaying 4 figures, and using a wired stylus

If you own a TI-83 Plus or a TI-84 Plus, you can download a bunch of different games such as Super Mario, Tetris and Pac-Man.

Interesting Fact

Intersting Fact

What they Do

In 1967 the first electronic handheld calculator was invented.

Handheld Calculator


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