math
Ancient Western spirituality and popular wisdom contain many numbers that have magical or symbolic meaning, such as 3, 5, 7, or 9. Indian scriptures of antiquity, however, are much more daring and precise. Would you believe in precisely 8,400,000 reincarnations?
pens
Among pencils preferred by artists and ballpoint pens that just do their job, fountain pens have a special place in history. We may not know how many theorems were written with them, but there are some well documented connections between mathematicians and their fountain pens.
math
Sometimes, curiosity about the origin of a mathematical term becomes a search that spans centuries. Or it just ends with a joke. Either way, it could be more memorable than the equations it was meant to explain. Â