Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:38Z
∂y/∂t = 1y
\lim_{x\to 0} \frac{\sin x}{x} = 1
66K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
det| 1 2 ; 4 2 | = -6
174K
det| 9 9 ; 5 10 | = 45
61K
∑_{k=1}^{n} k = n(n+1)/2
380K
\lim_{β\to 0} \frac{\sin β}{β} = 1
335K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
472K
\oint_C \vec{F}\cdot d\vec{r} = 0
392K