Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:09Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
det| 6 8 ; 0 7 | = 42
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
\oint_C \vec{F}\cdot d\vec{r} = 0
399K
det| 3 7 ; 3 4 | = -9
387K
\lim_{z\to 0} \frac{\sin z}{z} = 1
144K
det| 1 5 ; 1 2 | = -3
67K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
97K