Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:37Z
ω = 2πf
det| 4 8 ; 3 5 | = -4
320K
det| 11 9 ; 0 12 | = 132
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
∇²t = 0
det| 7 4 ; 4 8 | = 40
29K
8t² + 2t + 4 = 0