Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:07Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 1 9 ; 5 2 | = -43
\frac{4}{6} \sum_{i=1}^{n} i^{2}
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 12 3 ; 4 13 | = 144
94K
det| 1 4 ; 2 2 | = -6
211K
det| 11 9 ; 1 12 | = 123
\lim_{t\to 0} \frac{\sin t}{t} = 1
69K
2n² + 5n + 6 = 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K