Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:08Z
11x² + 3x + 4 = 0
det| 1 2 ; 7 2 | = -12
66K
\lim_{r\to 0} \frac{\sin r}{r} = 1
222K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
61K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
472K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
32K