Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
177K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
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
det| 1 4 ; 3 2 | = -10
387K
det| 11 7 ; 6 12 | = 90
144K
det| 12 6 ; 1 13 | = 150
67K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
97K