jokoon
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 Jan 27 awarded Popular Question Sep 28 awarded Yearling Sep 28 accepted If I want to learn to count in another base to calculate primality, which one should I try? Sep 28 asked If I want to learn to count in another base to calculate primality, which one should I try? Sep 27 accepted Any technique to manually find the prime decomposition of a number less than 3000? Sep 26 asked Any technique to manually find the prime decomposition of a number less than 3000? Sep 24 awarded Autobiographer Sep 4 awarded Tumbleweed Apr 12 awarded Popular Question Feb 20 awarded Notable Question Feb 4 asked Looking for a random statistical biaised function May 15 comment Why do the French count so strangely? ahah yes I also wondered about the 4 x 20 when I was young and asked in class... it was that or soixante vingt... Oct 11 asked It it possible to “compress” a list of large numbers using their prime factors? Aug 29 comment 2 concentric circles, inner circle has a tangent, relations between those points isn't it rather $cos \theta = \frac{r}{R}$ ? Aug 28 comment 2 concentric circles, inner circle has a tangent, relations between those points I edited my question for more clarity Aug 28 revised 2 concentric circles, inner circle has a tangent, relations between those points Explained my problem better Aug 28 asked 2 concentric circles, inner circle has a tangent, relations between those points Aug 27 comment Making a logo with processing, can't figure out a coordinate… I'm close to finding the answer, but the delta will be messy, do you know open-source or free website who can solve this can of equation ? (I'm planning to solve it by hand, but I'm just curious of the existing problem solver software other than mathematica). Aug 26 comment Making a logo with processing, can't figure out a coordinate… thanks I think I have more information now, I'll study it further (it could take me while, I'm a little rusted with maths right now) Aug 26 comment Making a logo with processing, can't figure out a coordinate… so you end up with $x^2+y^2=xc_1+yc_2=0$, then I can regroup x and y, but what else ?