Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:44Z
∂y/∂t = 1y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
87K
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
174K
det| 6 1 ; 1 7 | = 41
det| 1 1 ; 5 2 | = -3
380K
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
119K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
472K