Syntax


    Define scalar variable


        scalar [define] scalar_name = exp




    List contents of scalars


        scalar { dir | list } [ _all | scalar_names ]




    Drop specified scalars from memory


        scalar drop { _all | scalar_names }




Description


    scalar define defines the contents of the scalar variable scalar_name.
    The expression may be either a numeric or a string expression.


    scalar dir and scalar list both list the contents of scalars.


    scalar drop eliminates scalars from memory.




Examples


    . scalar a = 2
    . scalar b = a+3
    . scalar root2 = sqrt(2)
    . scalar im = sqrt(-1)
    . scalar x = .a
    . scalar s1 = "hello world"
    . scalar s2 = word(s1,1)
    . scalar list
    . scalar drop a b
    . scalar drop _all