Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:22Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\frac{6}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
358K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
det| 9 4 ; 1 10 | = 86
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K