I actually got a credit card receipt for $NaN once from a Pitney Bowes postage kiosk. I wondered if I'd need to send my bank a check for $0/0. Picture at http:

I actually got a credit card receipt for $NaN once from a Pitney Bowes postage kiosk. I wondered if I'd need to send my bank a check for $0/0. Picture at http://www.arcfn.com/2008/05/importance-of-software-testing.html http://www.arcfn.com/2008/05/importance-of-software-testing....