Positive number

A positive number, otherwise referred to as a plus number or an above number, is an opposite number that is bigger than zero. The set of all positive integers is written as [math]\displaystyle{ \mathbb N }[/math] or [math]\displaystyle{ \mathbb{Z}_+ }[/math].^[1]

A positive number can be written with a "+" symbol in front of it, or just as a number.^[2] For example, the numbers "+3" and "3" are the same.

Positive numbers are written to the right of zero on a number line:

In the above line, the positive numbers 1, 2, 3, 4, 5 and 6 are shown.

Positive Number Media

The plus and minus symbols are used to show the sign of a number.
Real sign function $y = sgn(x)$
Measuring from the x-axis, angles on the unit circle count as positive in the counterclockwise direction, and negative in the clockwise direction.
A number line with some integers labeled
Electric charge may be positive or negative.