Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:55Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 9 4 ; 1 10 | = 86
144K
det| 1 9 ; 5 2 | = -43
det| 4 6 ; 4 5 | = -4
90K
\lim_{r\to 0} \frac{\sin r}{r} = 1
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 12 1 ; 5 13 | = 151
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
94K
det| 11 9 ; 1 12 | = 123
CH₄ + 2O₂ → CO₂ + 2H₂O
69K
2n² + 5n + 6 = 0