Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:49Z
11x² + 3x + 4 = 0
det| 4 6 ; 0 5 | = 20
222K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 9 ; 0 6 | = 30
174K
det| 11 9 ; 0 12 | = 132
380K
∑_{k=1}^{n} k = n(n+1)/2
335K