Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
det| 4 9 ; 6 5 | = -34
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 7 8 ; 0 8 | = 56
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 9 8 ; 0 10 | = 90
339K
iħ ∂ψ/∂t = Ĥψ
d/dn [n^12] = 12n^11
358K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
\lim_{y\to 0} \frac{\sin y}{y} = 1
316K
\lim_{z\to 0} \frac{\sin z}{z} = 1
67K
∑_{k=1}^{n} k = n(n+1)/2
97K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
det| 2 6 ; 2 3 | = -6
346K
det| 9 5 ; 2 10 | = 80
256K