Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:59Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
∫₀^∞ e^(-β²) dβ = √π / 2
87K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 5 13 | = 151
174K
∑_{k=1}^{n} k = n(n+1)/2
119K
det| 9 4 ; 1 10 | = 86
392K