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}
det| 4 8 ; 3 5 | = -4
66K
det| 8 6 ; 5 9 | = 42
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{z\to 0} \frac{\sin z}{z} = 1
174K
det| 9 4 ; 1 10 | = 86
61K
∇²x = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
472K
E = mc²
\frac{12}{7} \sum_{i=1}^{n} i^{2}
392K