Mathematical
Notation for Orders of Magnitude List of numbers from 10-18 to 1018 maintained
by the University of California at Berkeley. Names
of Large Numbers List of written names of numbers from quintillionth to quattuordecillion
to Googolplex maintained by Alejandro López-Ortiz of the University
of Waterloo in Canada. Orders
of Magnitude: Distance Explanations of the very large and very small put in context,
from the diameter of a proton to the distance of 10 exameters, maintained
by programmer Erik Max Francis.