Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
d/dn [n^12] = 12n^11
399K
det| 8 6 ; 1 9 | = 66
316K
det| 9 8 ; 1 10 | = 82
det| 11 2 ; 2 12 | = 128
11K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
387K
∂ω/∂t = 2ω
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
67K
∑_{k=1}^{n} k = n(n+1)/2
276K
det| 9 2 ; 3 10 | = 84
346K