Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:19Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-t²) dt = √π / 2
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 7 4 ; 4 8 | = 40
380K
det| 5 9 ; 0 6 | = 30
335K