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}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
46K
CH₄ + 2O₂ → CO₂ + 2H₂O
468K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
PV = nRT
det| 9 4 ; 1 10 | = 86
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
det| 11 9 ; 6 12 | = 78
Fe₂O₃ + 3CO → 2Fe + 3CO₂
11K
10φ² + 7φ + 7 = 0
∇²n = 0
∇²z = 0