Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:44Z
∂y/∂t = 1y
det| 1 4 ; 2 2 | = -6
66K
det| 7 9 ; 1 8 | = 47
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
ΔS ≥ 0
\lim_{z\to 0} \frac{\sin z}{z} = 1
174K
det| 9 5 ; 6 10 | = 60
61K
det| 6 1 ; 1 7 | = 41
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{6}{3} \sum_{i=1}^{n} i^{2}
472K