Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:39Z
∂y/∂t = 1y
det| 5 9 ; 0 6 | = 30
66K
det| 9 4 ; 1 10 | = 86
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
ΔS ≥ 0
det| 6 1 ; 1 7 | = 41
\lim_{β\to 0} \frac{\sin β}{β} = 1
380K
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
392K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
32K