Does anyone study numerology?

No, but I have a friend who dabbles in it, and it's pretty interesting to find out what your number is, but there are different levels and kinds of numerology. :)

I had a book on it when I was a teenager-- yard sale purchase :) but now the furthest I go is the Numerology column in Elle :D

The reason I ask is because of this (http://80sxchange.com/forums/showthread.php?threadid=10240):

I still don't know how "$7.10" came about.

I've spent a little bit of time looking into numerology. Pretty interesting. Haven't done it in quite sometime though.