Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:48Z
4y² + 8y + 1 = 0
\frac{3}{2} \sum_{i=1}^{n} i^{2}
46K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
468K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 9 6 ; 7 10 | = 48
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 8 ; 1 10 | = 82
det| 5 6 ; 2 6 | = 18
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
∂ω/∂t = 2ω