# Difference between revisions of "Real Function"

From GeoGebra Manual

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{{command|CAS}} | {{command|CAS}} | ||

;Real[ <Complex Number>] | ;Real[ <Complex Number>] | ||

− | :Returns the real part of given [[Complex Numbers|complex number]]. | + | :Returns the real part of a given [[Complex Numbers|complex number]]. |

+ | :{{example| 1=<div><code><nowiki>Real[17 + 3 ί]</nowiki></code> gives ''17'', the real part of the complex number ''17 + 3 ί''.</div>}} | ||

+ | {{note| 1=<div>The complex ί is obtained by pressing ALT + i. See also [[Complex Command]].</div>}} |

## Revision as of 10:20, 4 August 2011

This command works in CAS View only.

- Real[ <Complex Number>]
- Returns the real part of a given complex number.
**Example:**`Real[17 + 3 ί]`

gives*17*, the real part of the complex number*17 + 3 ί*.

**Note:**

The complex ί is obtained by pressing ALT + i. See also Complex Command.