1.
Pi or 3.14159...
The Egyptians used it in constructing their pyramids but Archimedes was the first to estimate it rogorously.
6 points - added 14 years ago by kris -
2.
Napier's constant or 2.71828...
Also called Euler's number. In 2004, Larry Page and Sergey Brin paid homage to it when Google's IPO intended to raise $2,718,281,828.
4 points - added 14 years ago by kris -
3.
Zero or 0
It looks easy now but once the idea of zero was so difficult to grasp, it was vehemently rejected.
1 point - added 14 years ago by kris -
4.
Theodorus' constant or 1.73205...
1 point - added 14 years ago by kris -
5.
Rabbit constant or 0.70980...
1 point - added 14 years ago by kris -
6.
Magata constant or 3.40706...
1 point - added 14 years ago by kris -
7.
Omega constant or 0.56714...
1 point - added 14 years ago by kris -
8.
Phi or 1.61803...
Also called the Golden ratio. It is perhaps the one mathematical constant obsessed over outside science.
0 points - added 14 years ago by kris -
9.
Pythagoras' constant or 1.41421...
Babylonians and ancient Indians knew it but the Greeks forbade detested it as an irrational number until Pythagoras.
0 points - added 14 years ago by kris -
10.
Plastic constant or 1.32471...
0 points - added 14 years ago by kris -
11.
Ramanujan constant or 262537...
Even though the famed Rmanujan discovered a number of constants, this is not one of them. It was ascribed to him as an April Fool's joke.
0 points - added 14 years ago by kris -
12.
The Traveling Salesman constant or 0.71478...
0 points - added 14 years ago by kris -
13.
Twin Prime constant or 0.66061...
0 points - added 14 years ago by kris -
14.
Pi*Pi pr 9.86960...
0 points - added 14 years ago by kris -
15.
Catalan's constant or 0.91596...
0 points - added 14 years ago by kris -
16.
Renyi constant or parking constant or 0.74759...
0 points - added 14 years ago by kris -
17.
Second Tree-Growth constant or 0.43992...
0 points - added 14 years ago by kris -
18.
Laplace limit or 0.66274...
0 points - added 14 years ago by kris -
19.
Levy's constant or 3.27582...
0 points - added 14 years ago by kris -
20.
Lieb's square ice constant or 1.53960...
0 points - added 14 years ago by kris -
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