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DIM declares an array or specifies a data type for a nonarray variable.
REDIM declares or resizes a dynamic array, erasing any previous values.

DIM [SHARED] variable[(subscripts)] [AS type]
             [,variable[(subscripts)] [AS type]]...
REDIM [SHARED] variable(subscripts) [AS type]
               [,variable(subscripts) [AS type]]...

    ■ SHARED        Specifies that variables are shared with all SUB or
                    FUNCTION procedures in the module.
    ■ variable      The name of an array or variable.
    ■ subscripts    Dimensions of the array, expressed as follows:

                    [lower TO] upper [,[lower TO] upper]...

                    lower    The lower bound of the array's subscripts. The
                             default lower bound is zero.
                    upper    The upper bound.

    ■ AS type       Declares the data type of the array or variable
                    (INTEGER, LONG, SINGLE, DOUBLE, STRING, or a
                    user-defined data type).

    ■ DIM declares either static or dynamic arrays. Unless array storage has
      been determined by $STATIC, $DYNAMIC, or COMMON, arrays dimensioned
      with numbers are static and arrays dimensioned with variables are
      dynamic. REDIM always declares dynamic arrays.
    ■ Static array storage is allocated when you start a program and
      remains fixed. Dynamic array storage is allocated while a program runs.

Example:
    ' $DYNAMIC
    DIM A(49, 49)
    REDIM A(19, 14)

See Also    ◄COMMON►    ◄ERASE►    ◄OPTION BASE►    ◄SHARED, STATIC►
            ◄$STATIC, $DYNAMIC►    ◄Differences from BASICA►
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