Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:15Z
4y² + 8y + 1 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
468K
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{10}{5} \sum_{i=1}^{n} i^{2}
339K
iħ ∂ψ/∂t = Ĥψ
det| 7 7 ; 2 8 | = 42
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 9 8 ; 1 10 | = 82
det| 4 1 ; 2 5 | = 18
387K
det| 3 3 ; 0 4 | = 12
144K
\lim_{n\to 0} \frac{\sin n}{n} = 1
338K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
det| 4 1 ; 0 5 | = 20
346K
∑_{k=1}^{n} k = n(n+1)/2
348K