Difference between revisions of "IsDefined Command"
From GeoGebra Manual
m (improve category sort - simple version) |
(command syntax: changed [ ] into ( )) |
||
| (7 intermediate revisions by 4 users not shown) | |||
| Line 1: | Line 1: | ||
| − | <noinclude>{{Manual Page | + | <noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|logical}} |
| − | {{command|logical}} | + | ; IsDefined( <Object> ): Returns ''true'' or ''false'' depending on whether the object is defined or not. |
| − | ; 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.
