Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:07Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\lim_{z\to 0} \frac{\sin z}{z} = 1
320K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
det| 1 9 ; 5 2 | = -43
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
390K
∑_{k=1}^{n} k = n(n+1)/2
144K