Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:01Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 5 3 ; 7 6 | = 9
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 3 1 ; 7 4 | = 5
358K
∑_{k=1}^{n} k = n(n+1)/2
121K