Difference between revisions of "Negative number"
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A [[real number]] (and thus [[integer]], [[rational number]] or [[irrational number]]) is '''negative''' if it is less than zero. | A [[real number]] (and thus [[integer]], [[rational number]] or [[irrational number]]) is '''negative''' if it is less than zero. | ||
| − | The negative or ''additive inverse'' of a number is the number which, when added to that number, gives zero. The negative of a negative real number is [[positive]]. The negative of zero is zero. | + | The negative or ''additive inverse'' of a number is the number which, when added to that number, gives zero. The negative of a negative real number is a [[positive number]]. The negative of zero is zero. |
Revision as of 11:33, 10 July 2006
A real number (and thus integer, rational number or irrational number) is negative if it is less than zero.
The negative or additive inverse of a number is the number which, when added to that number, gives zero. The negative of a negative real number is a positive number. The negative of zero is zero.
