wow, thanks a lot for reading. :) I'm glad that you read my post.
I totally miss-put the value of h-bar. it was supposed to be plank constant, instead, I put the reduced planks constant, thank you for noticing :). I will correct it.
It would definitely be better if I define the uncertainty, in a more explanatory way, but I was afraid that people might run away after seeing an equation at the beginning. :P

Again, thank you for your lovely comment. :)