NAME
  FRE Function

SYNOPSIS
  FRE(numeric-expression)
  FRE(stringexpression$)
      o numeric-expression    A value that specifies the type of memory:
                              Value               FRE returns
                              ----------------    -----------------------------
                              -1                  The size of the largest array
                                                  (nonstring) you can create
                              -2                  The unused stack space
                              Any other number    The available string space
      o stringexpression$     Any string expression. FRE compacts the free
                              string space into a single block, then returns
                              the amount of available string space.

DESCRIPTION
  Returns the amount (in bytes) of available or unused memory.

  Example:
      PRINT "String Space", FRE("")
      PRINT "Unused Stack Space", FRE(-2)
      PRINT "Array Space", FRE(-1)

SEE ALSO
  none