Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:50Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 7 4 ; 4 8 | = 40
320K
det| 1 9 ; 5 2 | = -43
det| 1 1 ; 5 2 | = -3
90K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
29K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
211K