Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 11 4 ; 5 12 | = 112
174K
det| 7 4 ; 4 8 | = 40
61K
det| 9 5 ; 6 10 | = 60
472K