Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
det| 9 2 ; 3 10 | = 84
468K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 8 6 ; 1 9 | = 66
339K
\oint_C \vec{F}\cdot d\vec{r} = 0
177K
iħ ∂ψ/∂t = Ĥψ
det| 8 8 ; 2 9 | = 56
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CaCO₃ → CaO + CO₂
det| 3 9 ; 7 4 | = -51
316K
det| 9 8 ; 1 10 | = 82
det| 7 6 ; 7 8 | = 14
144K
CH₄ + 2O₂ → CO₂ + 2H₂O
67K
∑_{k=1}^{n} k = n(n+1)/2
338K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
256K