Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:14Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
det| 9 4 ; 1 10 | = 86
316K