Why is the ten-key pad inverted?

On a telephone, the ten key pad starts with 123 at the top. On a computer, it starts with 789. It seeme that since old-style adding machines predate the touch tone phone, phones should have been set up the same way when first switched from rotary. But they weren’t. Does anyone know why?


Justin

Thanks. I searched GQ, but I forgot to search The Masters (and his minions) answers.


Justin