Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-x²) dx = √π / 2
46K
2H₂ + O₂ → 2H₂O
det| 4 7 ; 0 5 | = 20
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
339K
det| 8 6 ; 1 9 | = 66
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
∂ω/∂t = 2ω
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
det| 4 7 ; 6 5 | = -22
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
∑_{k=1}^{n} k = n(n+1)/2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K