Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:29Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 1 9 ; 5 2 | = -43
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
144K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
352K