Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:43Z
∂y/∂t = 1y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
87K
ΔS ≥ 0
det| 6 1 ; 1 7 | = 41
det| 11 4 ; 5 12 | = 112
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
472K