Division sign
÷ | |
---|---|
Division sign | |
In Unicode | U+00F7 ÷ DIVISION SIGN (÷, ÷) |
Different from | |
Different from | U+2052 ⁒ COMMERCIAL MINUS SIGN U+002B + PLUS SIGN U+2020 † DAGGER U+034B ͋ COMBINING HOMOTHETIC ABOVE |
Related | |
See also | U+00D7 × MULTIPLICATION SIGN |
The division sign (÷) is a
In mathematics
The
In Italy, Poland and Russia, the ÷ sign was sometimes used to denote a range of values, and in Scandinavian countries it was used as a negation sign.[5]
The same symbol has been used to represent
the exact form of the symbol displayed is typeface (font) dependent.In computer systems
Encoding
The symbol was assigned to
÷
or ÷
(at HTML level÷
.
Unicode provides various division symbols:[9]
Code Point | Name | Symbol |
---|---|---|
U+00F7 | Division Sign | ÷ |
U+27CC | Long Division | ⟌ |
U+2215 | Division Slash | ∕ |
U+2A38 | Circled Division Sign | ⨸ |
U+2797 | Heavy Division Sign | ➗ |
U+2298 | Circled Division Slash | ⊘ |
U+22C7 | Division Times | ⋇ |
U+29BC | Circled Anticlockwise-Rotated | ⦼ |
Keyboard entry
In
On UNIX-based systems using Screen or X with a Compose key enabled, it can be produced by composing : (colon) and - (hyphen/minus). It may also be produced using its Unicode code-point (F7), by pressing Control+⇧ Shift+u f7space.
In LaTeX, the division sign is obtained by the command \div
.
In ChromeOS (with International/Extended keyboard setting), the division sign is obtained by pressing AltGr+⇧ Shift++. Otherwise, the Unix-style methods may be used.
See also
Notes
- ^ a b ISO 80000-2, Section 9 "Operations", 2-9.6
- ^ a b Cajori, Florian (1928). A history of mathematical notations. Vol. 1. Notations in Elementary Mathematics. The Open Court Company. pp. 242, 270–271. pp 270,271
- ^ Weisstein, Eric W. "Division". mathworld.wolfram.com. Retrieved 2020-08-26.
- ^ "Division". www.mathsisfun.com. Retrieved 2020-08-26.
- ^ "6. Writing Systems and Punctuation" (PDF). The Unicode® Standard: Version 10.0 – Core Specification. Unicode Consortium. June 2017. p. 280, Obelus.
- ^ Leif Halvard Silli. "Too narrowly defined: DIVISION SIGN & COLON". Unicode.org.
- ^ Leif Halvard Silli. "Commercial minus as italic variant of division sign in German and Scandinavian context". Unicode.org.
- ISBN 9780596101213
- ^ "Division symbol".
External links
- Jeff Miller: Earliest Uses of Various Mathematical Symbols
- Michael Quinion: Where our arithmetic symbols come from
The dictionary definition of division sign at Wiktionary