Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:15Z
4y² + 8y + 1 = 0
det| 4 5 ; 1 5 | = 15
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
iħ ∂ψ/∂t = Ĥψ
\frac{12}{4} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 9 8 ; 1 10 | = 82
∫₀^∞ e^(-x²) dx = √π / 2
11K
∑_{k=1}^{n} k = n(n+1)/2
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
67K
det| 6 8 ; 0 7 | = 42
338K