Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 5 8 ; 4 6 | = -2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 6 9 ; 4 7 | = 6
177K
iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-γ²) dγ = √π / 2
358K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
det| 9 8 ; 1 10 | = 82
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
det| 6 7 ; 6 7 | = 0
144K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
67K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
338K
∑_{k=1}^{n} k = n(n+1)/2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K