Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 7 7 ; 5 8 | = 21
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 1 5 ; 4 2 | = -18
177K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
det| 7 3 ; 6 8 | = 38
121K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
399K
det| 4 3 ; 0 5 | = 20
316K
det| 9 8 ; 1 10 | = 82
det| 10 5 ; 6 11 | = 80
387K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
∫₀^∞ e^(-x²) dx = √π / 2
67K
\lim_{t\to 0} \frac{\sin t}{t} = 1
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
346K
∑_{k=1}^{n} k = n(n+1)/2
256K
det| 12 7 ; 5 13 | = 121
348K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
396K