Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 02:39Z
det| 5 5 ; 5 6 | = 5
det| 9 4 ; 1 10 | = 86
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
det| 12 1 ; 5 13 | = 151
278K
5θ² + 3θ + 2 = 0
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
\lim_{y\to 0} \frac{\sin y}{y} = 1
\frac{8}{7} \sum_{i=1}^{n} i^{2}
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K