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}
∫₀^∞ e^(-t²) dt = √π / 2
222K
∑_{k=1}^{n} k = n(n+1)/2
det| 11 4 ; 5 12 | = 112
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-x²) dx = √π / 2
119K
E = mc²
\lim_{x\to 0} \frac{\sin x}{x} = 1
12z² + 7z + 6 = 0