Difference between revisions of "Real number"
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| − | A real number is a number that falls on the real number line. It can have any value. Some examples of real numbers are:<math>1, 2, -23.25, 0, \frac{\pi}{\phi}</math>, and so on. Numbers that are not real are 3i, 3+2.5i, 3+2i+2j+k, i.e. complex numbers, and quaternions. | + | A '''real number''' is a number that falls on the real number line. It can have any value. Some examples of real numbers are:<math>1, 2, -23.25, 0, \frac{\pi}{\phi}</math>, and so on. Numbers that are not real are 3i, 3+2.5i, 3+2i+2j+k, i.e. complex numbers, and quaternions. |
Revision as of 17:12, 18 June 2006
A real number is a number that falls on the real number line. It can have any value. Some examples of real numbers are:
, and so on. Numbers that are not real are 3i, 3+2.5i, 3+2i+2j+k, i.e. complex numbers, and quaternions.
