It all depends on what your starting point is.
This is my thinking:
Press one digit down... so for this digit you actually know where it is.
Then a fraction of a second later press the second digit down.
If we have something that resembles an average, in that case we know roughly where the...
I wonder if someone could enlighten me as to exactly what happens when you press more than one digit on the pandora screen....
I have heard a few rumors on what happens if you push (for example) two digits on a resistive touch screen
1. Masking i.e. you will see either one digit or the other...