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A decimal separator is a symbol that separates the integer part from the fractional part of a number written in decimal form (e.g., "." in 12.45). Different countries officially designate different symbols for use as the separator. The choice of symbol also affects the choice of symbol for the thousands separator used in digit grouping.
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
The decimal representation represents the infinite sum: Every nonnegative real number has at least one such representation; it has two such representations (with if ) if and only if one has a trailing infinite sequence of 0, and the other has a trailing infinite sequence of 9. For having a one-to-one correspondence between nonnegative real ...
The period glyph is used in the presentation of numbers, either as a decimal separator or as a thousands separator. In the more prevalent usage in English-speaking countries, as well as in South Asia and East Asia, the point represents a decimal separator, visually dividing whole numbers from fractional (decimal) parts.
A decimal numeral (also often just decimal or, less correctly, decimal number), refers generally to the notation of a number in the decimal numeral system. Decimals may sometimes be identified by a decimal separator (usually "." or "," as in 25.9703 or 3,1415). [ 3 ]Decimal may also refer specifically to the digits after the decimal separator ...
The Mathematical Alphanumeric Symbols block (U+1D400–U+1D7FF) contains Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles. The reserved code points (the "holes") in the alphabetic ranges up to U+1D551 duplicate characters in the Letterlike Symbols block. In order ...
In mathematics, delimiters are often used to specify the scope of an operation, and can occur both as isolated symbols (e.g., colon in " ") and as a pair of opposing-looking symbols (e.g., angled brackets in ). Delimiters represent one of various means of specifying boundaries in a data stream. Declarative notation, for example, is an alternate ...
For example, the decimal fraction for ¼ is expressed as zero-point-two-five ("0.25"). Unicode has no dedicated general decimal separator but unifies the decimal separator function with other punctuation characters. So the "." used in "0.25" is the same period character (U+002E) used to end the sentence. However, cultures vary in the glyph or ...