Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\frac{7}{7} \sum_{i=1}^{n} i^{2}
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 3 7 ; 3 4 | = -9
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
316K
det| 9 8 ; 1 10 | = 82
\oint_C \vec{F}\cdot d\vec{r} = 0
11K
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
det| 5 3 ; 2 6 | = 24
67K
∫₀^∞ e^(-x²) dx = √π / 2
97K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
346K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K