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
AgNO₃ + NaCl → AgCl↓ + NaNO₃
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
61K
∇²x = 0
det| 9 4 ; 1 10 | = 86
380K
∑_{k=1}^{n} k = n(n+1)/2
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
∫₀^∞ e^(-x²) dx = √π / 2
472K
E = mc²
∇²φ = 0