Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:14Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
320K
det| 4 7 ; 0 5 | = 20
det| 1 1 ; 5 2 | = -3
90K
∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{7} \sum_{i=1}^{n} i^{2}
394K
\lim_{r\to 0} \frac{\sin r}{r} = 1
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
94K