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}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
66K
det| 9 4 ; 1 10 | = 86
222K
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
87K
det| 9 2 ; 3 10 | = 84
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∇ × E = −∂B/∂t
E = mc²
∇²φ = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1