Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:38Z
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 11 9 ; 0 12 | = 132
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²t = 0
8t² + 2t + 4 = 0
det| 9 4 ; 1 10 | = 86
211K
det| 8 9 ; 1 9 | = 63
10r² + 2r + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0