Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 5 ; 6 10 | = 60
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
61K
∇²x = 0
det| 11 4 ; 5 12 | = 112
380K
det| 7 8 ; 6 8 | = 8
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
E = mc²
det| 4 8 ; 3 5 | = -4
32K
\lim_{x\to 0} \frac{\sin x}{x} = 1