Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:19Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-γ²) dγ = √π / 2
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\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
394K
7z² + 2z + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
390K
det| 3 2 ; 1 4 | = 10
det| 7 9 ; 1 8 | = 47
352K
ω = 2πf