Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:19Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-t²) dt = √π / 2
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{t\to 0} \frac{\sin t}{t} = 1
87K
∫₀^∞ e^(-φ²) dφ = √π / 2
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
119K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
392K