Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:37Z
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 7 9 ; 1 8 | = 47
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
∇²t = 0
8t² + 2t + 4 = 0
\lim_{z\to 0} \frac{\sin z}{z} = 1
94K
det| 8 9 ; 1 9 | = 63
10r² + 2r + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 6 ; 2 10 | = 78
∂γ/∂t = 6γ
∫₀^∞ e^(-φ²) dφ = √π / 2