Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:28Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\frac{8}{7} \sum_{i=1}^{n} i^{2}
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 4 7 ; 2 5 | = 6
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
177K
PV = nRT
\frac{4}{9} \sum_{i=1}^{n} i^{2}
358K
N₂ + 3H₂ ⇌ 2NH₃
det| 11 9 ; 6 12 | = 78
det| 7 4 ; 4 8 | = 40
11K
∇²n = 0