The process of change into a stony or calcareous substance by the deposition of lime salt?

If you meant Calculations, no I didn't.
I now have just looked it up:
"There are about 4 × 10^79 atoms in the universe. (Here's a derivation of that number.) You could bump that number up a little by counting particles rather than atoms, but not by much. There's not a googol of anything physical in the universe"