Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:22Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
det| 4 1 ; 2 5 | = 18
289K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 11 2 ; 2 12 | = 128
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
387K
∫₀^∞ e^(-x²) dx = √π / 2
67K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
338K