Plenty of us know the frustrations of not having a numpad (numeric keypad) on most notebooks. This is particular true on those MacBook and MacBook Pros (I wouldn’t know about that, I use a big-ol ACER).  Balmuda has released an application recently that will transform your iPhone into a numpad. Your computer will connect to your iPhone via wifi and virtually turn your iPhone into a fully functioning keypad. I have yet to use it, and most likely won’t any time soon being that it’s only available for Mac at …