Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:28Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 5 6 ; 1 6 | = 24
144K
det| 4 7 ; 0 5 | = 20
det| 7 4 ; 4 8 | = 40
90K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 1 ; 7 8 | = 49
94K
\lim_{z\to 0} \frac{\sin z}{z} = 1
211K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
390K