Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:53Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 1 9 ; 5 2 | = -43
∑_{k=1}^{n} k = n(n+1)/2
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
94K
det| 7 4 ; 4 8 | = 40
211K
det| 11 9 ; 1 12 | = 123
det| 5 6 ; 2 6 | = 18
69K
2n² + 5n + 6 = 0