Difference between revisions of "IsDefined Command"
From GeoGebra Manual
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<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|logical}} | <noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|logical}} | ||
| − | ; IsDefined | + | ; IsDefined( <Object> ): Returns ''true'' or ''false'' depending on whether the object is defined or not. |
| − | :{{Example|1=<code>IsDefined | + | :{{Example|1=<code>IsDefined(Circle((1,1), -2))</code> returns ''false''.}} |
Latest revision as of 19:41, 30 September 2017
- IsDefined( <Object> )
- Returns true or false depending on whether the object is defined or not.
- Example:
IsDefined(Circle((1,1), -2))returns false.
