Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:17Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 7 3 ; 6 8 | = 38
66K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
380K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
335K