Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 15:08Z
E = mc²
det| 9 5 ; 6 10 | = 60
320K
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 2 5 ; 6 3 | = -24
det| 7 4 ; 4 8 | = 40
90K
λ = h/p
\lim_{y\to 0} \frac{\sin y}{y} = 1
8r² + 3r + 5 = 0