Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:55Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 9 4 ; 1 10 | = 86
320K
\lim_{r\to 0} \frac{\sin r}{r} = 1
144K
det| 1 9 ; 5 2 | = -43
\frac{4}{6} \sum_{i=1}^{n} i^{2}
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{2} \sum_{i=1}^{n} i^{2}
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 11 9 ; 1 12 | = 123
∑_{k=1}^{n} k = n(n+1)/2
390K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
69K
2n² + 5n + 6 = 0