Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:00Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\lim_{r\to 0} \frac{\sin r}{r} = 1
289K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
PV = nRT
∫₀^∞ e^(-t²) dt = √π / 2
358K
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0
399K
det| 7 7 ; 4 8 | = 28
316K
det| 11 9 ; 6 12 | = 78
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 7 4 ; 4 8 | = 40
387K