Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:19Z
4y² + 8y + 1 = 0
\frac{5}{6} \sum_{i=1}^{n} i^{2}
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 4 1 ; 2 5 | = 18
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
det| 9 6 ; 3 10 | = 72
358K
det| 4 7 ; 6 5 | = -22
121K
CaCO₃ → CaO + CO₂
det| 3 9 ; 1 4 | = 3
399K
det| 7 4 ; 4 8 | = 40
316K
det| 9 8 ; 1 10 | = 82
Fe₂O₃ + 3CO → 2Fe + 3CO₂
11K
\oint_C \vec{F}\cdot d\vec{r} = 0
387K
∂ω/∂t = 2ω
∑_{k=1}^{n} k = n(n+1)/2
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
\lim_{z\to 0} \frac{\sin z}{z} = 1
346K
d/dn [n^12] = 12n^11
256K