Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:08Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 11 9 ; 0 12 | = 132
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
177K
PV = nRT
det| 7 4 ; 4 8 | = 40
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
∑_{k=1}^{n} k = n(n+1)/2
316K