Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:07Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 4 2 ; 6 5 | = 8
289K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
\frac{4}{9} \sum_{i=1}^{n} i^{2}
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
det| 3 1 ; 7 4 | = 5
316K