Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:28Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 9 4 ; 1 10 | = 86
380K
det| 11 2 ; 5 12 | = 122
335K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
119K
det| 7 3 ; 6 8 | = 38
392K