Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:44Z
∂y/∂t = 1y
∑_{k=1}^{n} k = n(n+1)/2
66K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ΔS ≥ 0
\oint_C \vec{F}\cdot d\vec{r} = 0
174K
det| 6 1 ; 1 7 | = 41
det| 5 6 ; 2 6 | = 18
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
5φ² + 2φ + 6 = 0