Calculus, Geochemistry, and Astronomical Equations... Dear Lord I promise that when I get to the pearly gates and St. Peter asks me the speed the distance increases between two trains when one is traveling at 35km/h W and the other at 45km/hr N at 4 p.m. and their original distance at noon was 200km apart, I will know the answer. And as soon as I figure out the value for e I will successfully recalculate the age of the Earth just like Clair Patterson in 1956. Apparently its an irrational number with a value assigned to it, similar to that of Pi. Now what disturbs me the most about this whole ordeal is that I know all of this in the first place.