Mathematica is LISP, so it's really 0-based indexing, where the first element is...

atondwal on Oct 23, 2013 | parent | context | favorite | on: Why Python uses 0-based indexing. It's because of ...

Mathematica is LISP, so it's really 0-based indexing, where the first element is the function you're applying. All the sugar and literals are made to hide this, but you can code like you're dealing with a real LISP.