Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:31Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 4 6 ; 0 5 | = 20
144K
det| 1 9 ; 5 2 | = -43
det| 7 1 ; 7 8 | = 49
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
29K
∑_{k=1}^{n} k = n(n+1)/2
211K