Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:29Z
∂y/∂t = 1y
\oint_C \vec{F}\cdot d\vec{r} = 0
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
87K
det| 5 6 ; 7 6 | = -12
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ΔS ≥ 0
det| 9 4 ; 1 10 | = 86
61K
det| 6 1 ; 1 7 | = 41
det| 1 1 ; 5 2 | = -3
380K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\lim_{n\to 0} \frac{\sin n}{n} = 1
∫₀^∞ e^(-φ²) dφ = √π / 2
472K