[F8] How can i add and clear numbers in dinamic text by pressing buttons??

[pumi]

I am making a mobile in flash ... I am trying to add as much functions as i can to it . And you know in mobiles when you press a number there will apear and when you press a button to clear it it will clear one character every time you press it ... I dont know how to do something like that . Plz can anyone help me with that !!??

Thanks...

[pumi]

And another problem that i forget to mention if user is in another page in mobile when he press the number button he have to go to page that writes numbers and numbers must appear there ...