pifs
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philipl
π is a false constant, you should store data in τ instead
It's just like folk scientist who is learning by oneself. The radius or diameter do not matter.
How about area of circle?
How about exp{i*pi}+1=0 ?
How about use one pi as natural number 1? The normal natural number 1 is one/pi marked as a symbol.
@rexdf
How about area of circle?
Area of circle is an integral over a linear function. 1/2 is natural and expected in such expressions. Kinetic energy:
Familiar, righ? Now, Area of circle:
How about exp{i*pi}+1=0 ?
Of course Euler identity also makes more sense with τ:
Ok. That's something interesting.
If we donot consider issues from history, there will be something different.
After a few google searching, I find http://thepimanifesto.com/
τ=2π π=1/2τ Who cares which is better?
@rexdf asked:
How about exp{i*pi}+1=0 ?
Using tau, you get: exp{i*tau/2}+1=0. Now you've got the 3rd-most interesting integer involved as well. That makes the equation more interesting, not less.
Or you get: exp{i*tau}=-1, which is actually simpler than the pi form. So take your pick -- simpler, or more interesting.
@booch exp{i*tau/2} has a fraction. I thought that exp{i*pi}=-1 and exp{i*2*pi}=(-1)*(-1)=1 is better.At least it is not worse than tau. It is just a symbol and matter nothing at all.
Make it flexible, allow the user to choose a normal-irrational constant, from a list of known constants, or to specify a callable function that generates digits of some constant. Then you get encryption for free - to retrieve the data from the metadata you have to know what normal-irrational constant was used. :)
I think we can find a middle ground and use pau.
1.5pi
https://xkcd.com/1292/
i would rather call pau pizza.
but pau sounds specially funny in portuguese...
