Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
det| 5 5 ; 3 6 | = 15
46K
det| 3 3 ; 0 4 | = 12
468K
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{12}{4} \sum_{i=1}^{n} i^{2}
339K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
det| 4 3 ; 0 5 | = 20
316K
det| 9 8 ; 1 10 | = 82
\lim_{z\to 0} \frac{\sin z}{z} = 1
11K
det| 7 1 ; 4 8 | = 52
387K
∂ω/∂t = 2ω
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
∑_{k=1}^{n} k = n(n+1)/2
346K
det| 4 8 ; 0 5 | = 20
256K