Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:05Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 1 9 ; 5 2 | = -43
det| 4 8 ; 3 5 | = -4
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
94K
det| 11 9 ; 1 12 | = 123