Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:42Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 1 9 ; 5 2 | = -43
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 11 9 ; 0 12 | = 132
29K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
94K
det| 5 6 ; 7 6 | = -12
211K
det| 11 9 ; 1 12 | = 123
\lim_{r\to 0} \frac{\sin r}{r} = 1
390K
7β² + 8β + 2 = 0
2n² + 5n + 6 = 0