Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 15:45Z
E = mc²
det| 9 4 ; 1 10 | = 86
144K
det| 2 5 ; 6 3 | = -24
∑_{k=1}^{n} k = n(n+1)/2
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
λ = h/p
\lim_{y\to 0} \frac{\sin y}{y} = 1
∫₀^∞ e^(-x²) dx = √π / 2
390K