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
∫₀^∞ e^(-t²) dt = √π / 2
144K
det| 1 9 ; 5 2 | = -43
\lim_{r\to 0} \frac{\sin r}{r} = 1
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 6 ; 4 6 | = 6
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
211K
det| 11 9 ; 1 12 | = 123
\frac{2}{2} \sum_{i=1}^{n} i^{2}
390K
CH₄ + 2O₂ → CO₂ + 2H₂O
144K