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'This example uses the OPTION BASE statement to override the default
'base array subscript value of 0. Subscripts in array A range from
'1 to 20 rather than 0 to 20.
 
CLS                     'Clear screen.
OPTION BASE 1
DIM A(20)
PRINT "The base subscript in array A is"; LBOUND(A)
PRINT "The upper bound subscript in array A is"; UBOUND(A)
 
'Sample Output
'
'The base subscript in array A is 1
'The upper bound subscript in array A is 20