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}
∫₀^∞ e^(-t²) dt = √π / 2
222K
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
87K
det| 9 4 ; 1 10 | = 86
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
∑_{k=1}^{n} k = n(n+1)/2
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 12 1 ; 5 13 | = 151
119K
∇ × E = −∂B/∂t
E = mc²
∇²φ = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1