Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 7 6 ; 1 8 | = 50
61K
∇²x = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
472K
det| 7 4 ; 4 8 | = 40
392K