Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:37Z
∂y/∂t = 1y
\oint_C \vec{F}\cdot d\vec{r} = 0
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
ΔS ≥ 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
174K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
61K
det| 6 1 ; 1 7 | = 41
det| 7 4 ; 4 8 | = 40
380K
det| 12 9 ; 5 13 | = 111
335K
\lim_{n\to 0} \frac{\sin n}{n} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
\frac{9}{7} \sum_{i=1}^{n} i^{2}
2H₂ + O₂ → 2H₂O
F = G m₁m₂ / r²