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A.6.  ``)clear``
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User Level Required:  interpreter
 
Command Syntax: ::
 
  - )clear all
  - )clear completely
  - )clear properties all
  - )clear properties  obj1 [obj2 ...]
  - )clear value      all
  - )clear value     obj1 [obj2 ...]
  - )clear mode       all
  - )clear mode      obj1 [obj2 ...]
 
Command Description: 
 
This command is used to remove function and variable declarations,
definitions and values from the workspace. To empty the entire workspace and
reset the step counter to 1, issue ::
 
  )clear all
 
To remove everything in the workspace but not reset the step counter, issue ::
 
  )clear properties all
 
To remove everything about the object x, issue ::
 
  )clear properties x
 
To remove everything about the objects x, y and f, issue ::
 
  )clear properties x y f
 
The word properties may be abbreviated to the single letter ``p``. ::
 
  )clear p all
  )clear p x
  )clear p x y f
 
All definitions of functions and values of variables may be removed by either ::
 
  )clear value all
  )clear v all
 
This retains whatever declarations the objects had. To remove definitions and
values for the specific objects x, y and f, issue ::
 
  )clear value x y f
  )clear v x y f
 
To remove the declarations of everything while leaving the definitions and
values, issue ::
 
  )clear mode  all
  )clear m all
 
To remove declarations for the specific objects x, y and f, issue ::
 
  )clear mode x y f
  )clear m x y f
 
The )display names and )display properties commands may be used to see what
is currently in the workspace.
 
The command ::
 
  )clear completely
 
does everything that ``)clear all`` does, and also clears the internal system
function and constructor caches.
 
Also See: 

* ``)display``
* ``)history``
* ``)undo``