Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:58Z
11x² + 3x + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
222K
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
87K
det| 9 4 ; 1 10 | = 86
2K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
174K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
380K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
335K