Why do telephone keypads count from the top down, while calculators count from the bottom up?

I've been thinking about the very same thing not too long ago:
A Staff Report from the Straight Dope Science Advisory Board: Why do telephone keypads count from the top down, while calculators count from the bottom up?

Comments

Popular posts from this blog

Tftp secret of TL-WR740N uncovered

Hidden TFTP of TP-Link routers

Haskell for embedded: C output, compilers, monads, Timber