Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
det| 4 7 ; 0 5 | = 20
46K
2H₂ + O₂ → 2H₂O
det| 8 4 ; 3 9 | = 60
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{3}{7} \sum_{i=1}^{n} i^{2}
339K
iħ ∂ψ/∂t = Ĥψ
Fe₂O₃ + 3CO → 2Fe + 3CO₂
358K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
∑_{k=1}^{n} k = n(n+1)/2
276K
\oint_C \vec{F}\cdot d\vec{r} = 0
346K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
396K