Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:29Z
∂y/∂t = 1y
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
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det| 6 1 ; 1 7 | = 41
\lim_{r\to 0} \frac{\sin r}{r} = 1
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\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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