Variables can be deleted using
CLEAR,name1, name2, ...
Wild cards can be used as in SHOW, e.g.,
CLEAR,ENERG*
clears all variables whose names begin with ENERG. All variables can be cleared using
The length of vectors can be truncated simply by redefining the length specifier: #R=2 truncates the array R to length 2. Higher elements are no longer available (but could be redefined). Setting #R=0 is equivalent to the command CLEAR,R.