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}
det| 1 4 ; 2 2 | = -6
66K
det| 7 8 ; 6 8 | = 8
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
61K
∇²x = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
380K
det| 4 8 ; 3 5 | = -4
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
119K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
472K
det| 5 6 ; 7 6 | = -12
392K