Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:33Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 12 9 ; 5 13 | = 111
144K
det| 1 9 ; 5 2 | = -43
det| 7 9 ; 1 8 | = 47
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
CH₄ + 2O₂ → CO₂ + 2H₂O
394K
∑_{k=1}^{n} k = n(n+1)/2
29K
\oint_C \vec{F}\cdot d\vec{r} = 0