Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:03Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
det| 1 6 ; 3 2 | = -16
121K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-x²) dx = √π / 2
316K
det| 9 8 ; 1 10 | = 82
det| 9 6 ; 3 10 | = 72
387K
det| 7 4 ; 4 8 | = 40
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
338K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
276K
det| 6 9 ; 4 7 | = 6
346K