Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:57Z
∂y/∂t = 1y
∑_{k=1}^{n} k = n(n+1)/2
66K
det| 5 6 ; 4 6 | = 6
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 4 ; 4 3 | = -10
87K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2K
ΔS ≥ 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
61K
det| 6 1 ; 1 7 | = 41
det| 9 4 ; 1 10 | = 86
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
3α² + 5α + 4 = 0
2H₂ + O₂ → 2H₂O