Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:54Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\frac{7}{1} \sum_{i=1}^{n} i^{2}
320K
det| 1 9 ; 5 2 | = -43
det| 7 4 ; 4 8 | = 40
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
94K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
211K
∑_{k=1}^{n} k = n(n+1)/2
390K
∑_{k=1}^{n} k = n(n+1)/2
69K