Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:12Z
4y² + 8y + 1 = 0
det| 6 7 ; 2 7 | = 28
46K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
339K
det| 3 4 ; 6 4 | = -12
177K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\frac{11}{4} \sum_{i=1}^{n} i^{2}
399K
\lim_{z\to 0} \frac{\sin z}{z} = 1
316K
\oint_C \vec{F}\cdot d\vec{r} = 0
387K
∑_{k=1}^{n} k = n(n+1)/2
144K
∑_{k=1}^{n} k = n(n+1)/2
276K
det| 12 7 ; 5 13 | = 121
346K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
348K