Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:20Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 9 4 ; 1 10 | = 86
380K
det| 10 2 ; 3 11 | = 104
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
E = mc²
det| 9 9 ; 5 10 | = 45
392K
∇²φ = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1