Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:56Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{β\to 0} \frac{\sin β}{β} = 1
320K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
90K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 2 2 | = -6
94K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
211K
det| 7 7 ; 4 8 | = 28
69K
det| 7 4 ; 4 8 | = 40
144K
det| 1 4 ; 0 2 | = 2
352K