Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:10Z
∑_{k=1}^{n} k = n(n+1)/2
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
46K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
∂x/∂θ = 8x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
3φ² + 4φ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\lim_{α\to 0} \frac{\sin α}{α} = 1
121K
5ω² + 6ω + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K