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}
det| 9 7 ; 3 10 | = 69
66K
det| 7 9 ; 1 8 | = 47
222K
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-β²) dβ = √π / 2
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
174K
∑_{k=1}^{n} k = n(n+1)/2
380K
det| 9 4 ; 1 10 | = 86
472K