Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:49Z
∂y/∂t = 1y
\lim_{x\to 0} \frac{\sin x}{x} = 1
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 9 ; 5 10 | = 45
2K
ΔS ≥ 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
61K
det| 6 1 ; 1 7 | = 41
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 9 4 ; 1 10 | = 86
119K
∫₀^∞ e^(-x²) dx = √π / 2
472K