Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:04Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 1 1 ; 5 2 | = -3
144K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
d/dz [z^11] = 11z^10
394K
∑_{k=1}^{n} k = n(n+1)/2
390K
det| 7 4 ; 4 8 | = 40
69K