Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\frac{10}{5} \sum_{i=1}^{n} i^{2}
46K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 5 4 ; 5 6 | = 10
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 2 7 ; 2 3 | = -8
399K
\frac{5}{8} \sum_{i=1}^{n} i^{2}
316K
det| 9 8 ; 1 10 | = 82
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
11K
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K