VBA actually lets you decide at the top of each module whether to use 0 or 1 based indexing. The default value is 0, but you can specify "Option Base 1" to chan

VBA actually lets you decide at the top of each module whether to use 0 or 1 based indexing. The default value is 0, but you can specify "Option Base 1" to change that. There is an interesting note in the Wikipedia page for "Dartmouth BASIC" which says the second edition "also allowed arrays to begin as subscript 0 instead of 1. This was especially useful for representing polynomials."