Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:02Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 3 7 ; 2 4 | = -2
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
PV = nRT
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
316K
det| 11 9 ; 6 12 | = 78
∑_{k=1}^{n} k = n(n+1)/2
387K
∇²n = 0