Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-08-18 07:14Z
det| 4 3 ; 4 5 | = 8
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
90K
∇²θ = 0
∑_{k=1}^{n} k = n(n+1)/2
225K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 4 2 | = -14
16K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂α/∂φ = 9α
∫₀^∞ e^(-θ²) dθ = √π / 2
255K
∂φ/∂φ = 6φ
\oint_C \vec{F}\cdot d\vec{r} = 0
47K
\oint_C \vec{F}\cdot d\vec{r} = 0
38K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
466K