When used as a diacritic mark, the term dot refers to the glyphs "combining dot above" (◌̇), and "combining dot below" (◌̣) which may be combined with some letters of the extended Latin alphabets in use in a variety of languages. Similar marks are used with other scripts.
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Dot | |
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Language scripts or transcription schemes that use the dot above a letter as a diacritical mark:
In mathematics and physics, when using Newton's notation the dot denotes the time derivative as in . In addition, the overdot is one way used to indicate an infinitely repeating set of numbers in decimal notation, as in , which is equal to the fraction 1⁄3, and or , which is equal to 1⁄7.
In Unicode, the dot is encoded at:
and at:
There is also:
Pre-composed characters:
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