Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-t²) dt = √π / 2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
iħ ∂ψ/∂t = Ĥψ
det| 7 2 ; 7 8 | = 42
358K
CaCO₃ → CaO + CO₂
det| 6 8 ; 0 7 | = 42
316K
det| 9 8 ; 1 10 | = 82
\lim_{z\to 0} \frac{\sin z}{z} = 1
11K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
387K
∫₀^∞ e^(-ω²) dω = √π / 2
144K
∫₀^∞ e^(-γ²) dγ = √π / 2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K
∑_{k=1}^{n} k = n(n+1)/2
348K