VECTOR
VECTOR associates a vector name with a set of existing variables or defines a vector of new variables. A vector is a set of variables that can be referred to using an index. The vector can refer to either string or numeric variables, and the variables can be permanent or temporary.
VECTOR {vector name=varname TO varname} [/vector name...]
{vector name(n [format]) }
Example
VECTOR V=V1 TO V6.