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)!}
46K
∫₀^∞ e^(-θ²) dθ = √π / 2
468K
2H₂ + O₂ → 2H₂O
det| 6 7 ; 2 7 | = 28
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
358K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 7 8 ; 0 8 | = 56
316K
det| 10 5 ; 6 11 | = 80
144K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
67K
det| 8 3 ; 5 9 | = 57
338K
\frac{12}{4} \sum_{i=1}^{n} i^{2}
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
346K
det| 4 8 ; 6 5 | = -28
256K