Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:21Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
174K
∇²x = 0
det| 7 4 ; 4 8 | = 40
380K
det| 12 1 ; 5 13 | = 151
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
119K
\oint_C \vec{F}\cdot d\vec{r} = 0
472K
E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
392K
\lim_{x\to 0} \frac{\sin x}{x} = 1
12z² + 7z + 6 = 0