Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 9 2 ; 3 10 | = 84
399K
det| 9 8 ; 1 10 | = 82
CH₄ + 2O₂ → CO₂ + 2H₂O
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
∑_{k=1}^{n} k = n(n+1)/2
396K