Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:30Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 1 2 ; 4 2 | = -6
66K
det| 2 4 ; 4 3 | = -10
222K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
∇²α = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
det| 11 2 ; 5 12 | = 122
380K
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
119K
det| 5 6 ; 4 6 | = 6
472K
det| 7 4 ; 3 8 | = 44
∫₀^∞ e^(-x²) dx = √π / 2
392K
det| 7 4 ; 4 8 | = 40
32K