Variables can be deleted using
CLEAR,name1, name2, ...
Wild cards can be used as in SHOW, e.g.,
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.