Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:21Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
174K
det| 9 4 ; 1 10 | = 86
61K
∇²x = 0
∫₀^∞ e^(-β²) dβ = √π / 2
380K
det| 7 8 ; 6 8 | = 8
335K
det| 8 9 ; 4 9 | = 36
472K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
32K