Saying that .9~=1 is like saying that 9=10. You're ignoring basics of math. You can't distort equations to prove your ignorance.
Different values cannot be equal! .9~ and 1 are different. As the linked forum topic says: Infinity DOES NOT EXIST- it's just an abstract word.
Therefore, if infinity does not exist, .9~ actually means .9..9 And that isn't one. That's .9...9. It's a matter of believing and infinity and not. You're probably just a bunch of Christian fundamentalist engineers with too much time on your hands who want to distort your own knowledge to prove God.