Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
det| 4 5 ; 1 5 | = 15
358K
det| 12 7 ; 7 13 | = 107
121K
CaCO₃ → CaO + CO₂
det| 9 8 ; 1 10 | = 82
\oint_C \vec{F}\cdot d\vec{r} = 0
67K
∑_{k=1}^{n} k = n(n+1)/2
97K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
276K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
348K