Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
66K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
174K
∇²x = 0
det| 5 6 ; 2 6 | = 18
380K
\oint_C \vec{F}\cdot d\vec{r} = 0
119K
det| 8 9 ; 4 9 | = 36
392K