Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:14Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 7 ; 0 5 | = 20
CH₄ + 2O₂ → CO₂ + 2H₂O
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
394K
det| 7 1 ; 7 8 | = 49
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}