Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:17Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
det| 12 7 ; 7 13 | = 107
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
339K
det| 2 6 ; 1 3 | = 0
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
det| 3 9 ; 1 4 | = 3
121K
CaCO₃ → CaO + CO₂
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
316K
det| 9 8 ; 1 10 | = 82
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
11K
det| 6 7 ; 2 7 | = 28
387K
det| 10 5 ; 6 11 | = 80
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
276K