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Function key Reference Libraries

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Casio FX-7000G
2013-03-23 00:00:00

Image Caption: A Casio FX-7000G with box and manual. Credit: ML5/Wikipedia The Casio FX-7000G is the world’s first graphing calculator available to the public, offering 82 scientific functions, the ability to produce graphs, it is programmable and can do basic arithmetic problems. It was manufactured from 1985 - 1988. Since then Casio has produced upgraded models using the same...

Keyboard
2010-09-10 14:54:21

A keyboard is an arrangement of buttons or keys that act as mechanical levers or electronic switches to input data into computers. Despite the development of alternative input devices, the keyboard is still the most commonly used and most versatile device used for direct input into computers. A keyboard typically has letters, numbers, and signs printed on the keys. Each press of a key...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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