Symbols:Arithmetic and Algebra/Positive Quantity
< Symbols:Arithmetic and Algebra(Redirected from Symbols:Positive Quantity)
Jump to navigation
Jump to search
Positive
- $+$
A unary operator prepended to a number to indicate that it is positive.
For example:
- $+5$
If a number does not have either $+$ or $-$ prepended, it is assumed to be positive by default.
The $\LaTeX$ code for \(+5\) is +5 .
Also see
See:
for other uses of this symbol.
Historical Note
The use of the $+$ sign to indicate a positive quantity first appeared in $1489$ in a work by Johannes Widmann.
Sources
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): plus sign: 1.
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): plus sign