Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:07Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 9 5 ; 1 10 | = 85
144K
det| 1 9 ; 5 2 | = -43
det| 7 4 ; 4 8 | = 40
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
29K
∑_{k=1}^{n} k = n(n+1)/2
211K