Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-α²) dα = √π / 2
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
67K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
338K
∫₀^∞ e^(-θ²) dθ = √π / 2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
256K