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The division sign (÷) is a mathematical symbol consisting of a short horizontal line with a dot above and another dot below, used in Anglophone countries to indicate the operation of division. This usage, though widespread in some countries, is not universal and the symbol has a different meaning in other countries.
Among English-speaking typographers the symbol may be called a "slashed O" [1] or "o with stroke". Although these names suggest it is a ligature or a diacritical variant of the letter o , it is considered a separate letter in Danish and Norwegian, and it is alphabetized after z — thus x , y , z , æ , ø , and å .
This is even more problematic for Danes, Faroese, and Norwegians because it means two of their letters—the O and slashed O —are visually similar. This was later flipped and most mainframe chain or band printers used the opposite convention (letter O printed as is, and digit zero printed with a slash Ø). This was the de facto standard from ...
The combination of these two symbols is sometimes known as a long division symbol or division bracket. [8] It developed in the 18th century from an earlier single-line notation separating the dividend from the quotient by a left parenthesis. [9] [10] The process is begun by dividing the left-most digit of the dividend by the divisor.
Long division is the standard algorithm used for pen-and-paper division of multi-digit numbers expressed in decimal notation. It shifts gradually from the left to the right end of the dividend, subtracting the largest possible multiple of the divisor (at the digit level) at each stage; the multiples then become the digits of the quotient, and the final difference is then the remainder.
O, or o, is the fifteenth letter and the fourth vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is o (pronounced / ˈ oʊ / ), plural oes .
The abbreviations nro. and núm. are also acceptable. The numero sign, either as a one-character symbol № or composed of the letter N plus superscript "o" (sometimes underlined or substituted by the ordinal indicator, º), is common in Latin America, where the interpolated period is sometimes not used in abbreviations.
The letter o with umlaut (ö [1]) appears in the German alphabet. It represents the umlauted form of o, resulting in or . The letter is often collated together with o in the German alphabet, but there are exceptions which collate it like oe or OE. The letter also occurs in some languages that have adopted German names or spellings, but it is ...