Talk:Summation chart
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Math Code
Proposed math code, please check/correct:
n = trunc[ 1-σ + sqrt[(σ-1)^2+2r] ]
r = (n/2)(n+2σ-1)
or
σ = (1/2)(1+2r/n-n)
or
Obviously I didn't go for a direct translation, I tried to do some math. I'm sure it can be improved. VANKRASN39 (talk) 17:52, 4 October 2016 (CDT)
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