Hi Lach, Pretty good memory! ... googol ...nephew... http://mathforum.org/library/drmath/view/57575.html If I get a chance, I'll have to check my four volume "World of Mathematics" by James Newman for info. [Honest - it's more interesting than it sounds!] RonL. (I think it's more fun when the math folks 'reuse' everyday words. We end up considering things like an "irregular space". Sounds unpleasant!) -----Original Message----- From: Lachlan Cannon [mailto:luminosity at members.evolt.org] The thing is, they never needed to count that high, so mathematicians get to make numbers up, like the one whose daughter named google. (1x 10^100) I think it was daughter anyway, it was so long ago that I read about the naming of that number.