Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
det| 6 3 ; 4 7 | = 30
46K
det| 12 4 ; 3 13 | = 144
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
CH₄ + 2O₂ → CO₂ + 2H₂O
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 8 ; 1 10 | = 82
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 7 4 ; 5 8 | = 36
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
338K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
276K
det| 4 3 ; 6 5 | = 2
346K
∑_{k=1}^{n} k = n(n+1)/2
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
396K