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A stylus (pl.: styli or styluses [1]) is a writing utensil or a small tool for some other form of marking or shaping, for example, in pottery. It can also be a computer accessory that is used to assist in navigating or providing more precision when using touchscreens .
The slate and stylus are tools used by blind people to write text that they can read without assistance. [ 1 ] [ 2 ] Invented by Charles Barbier as the tool for writing letters that could be read by touch, [ 3 ] the slate and stylus allow for a quick, easy, convenient and constant method of making embossed printing for Braille character encoding .
A stylus was used to turn the dials. Later devices of this type include the Arithmometer, in the 1860s; and the Addiator, in 1920. [5] The Addiator was a pocket mechanical adding machine that used a stylus to move tiny rigid slices of sheet-metal that were enclosed in a case.
The Romans used lead styli with wax tablets which could be "erased" by rubbing the beeswax surface smooth again. In the modern era, hand held computers and certain other computer input devices use a stylus to enter information onto a screen by applying pressure rather than by depositing pigment.
A stylus pen, plural styli or styluses, [12] is a writing utensil which does not use ink, but rather makes marks primarily by creating scratches or indentations in the writing surface. As such, the tip often consists simply of a sharp metal point.
Wax tablet and a Roman stylus. A wax tablet is a tablet made of wood and covered with a layer of wax, often linked loosely to a cover tablet, as a "double-leaved" diptych.It was used as a reusable and portable writing surface in antiquity and throughout the Middle Ages.