Insertion at the beginning is insertion at zero in most zero-based systems too. Inserting at zero means that the new element will end up at index zero, and the

Insertion at the beginning is insertion at zero in most zero-based systems too. Inserting at zero means that the new element will end up at index zero, and the other elements are shifted forward. In a one-based system, similarly, insertion at the beginning should be insertion at one, not zero; doing it any other way would just be a source of off-by-one bugs.