Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:11Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
320K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 8 9 ; 3 9 | = 45
\frac{8}{6} \sum_{i=1}^{n} i^{2}
438K
E = mc²
det| 1 4 ; 2 2 | = -6
394K
∑_{k=1}^{n} k = n(n+1)/2
29K
det| 10 1 ; 6 11 | = 104
\binom{n}{k} = \frac{n!}{k!(n-k)!}
94K
det| 7 4 ; 4 8 | = 40
211K
det| 2 6 ; 5 3 | = -24
\lim_{z\to 0} \frac{\sin z}{z} = 1
69K
det| 10 6 ; 3 11 | = 92
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
ΔS ≥ 0
2H₂ + O₂ → 2H₂O