Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:55Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 1 9 ; 5 2 | = -43
det| 9 4 ; 1 10 | = 86
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 1 2 ; 4 2 | = -6
394K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
94K
∑_{k=1}^{n} k = n(n+1)/2
390K
det| 1 2 ; 7 2 | = -12
69K