Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:10Z

∑_{k=1}^{n} k = n(n+1)/2

\oint_C \vec{F}\cdot d\vec{r} = 0

168K

d/dt [t^3] = 3t^2

446K

3x² + 3x + 6 = 0

\frac{2}{2} \sum_{i=1}^{n} i^{2}

144K

7y² + 9y + 1 = 0

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

∇²z = 0

86K

7z² + 2z + 0 = 0

∂z/∂ψ = 1z

224K

8ψ² + 7ψ + 0 = 0

234K

det| 4 2 ; 5 5 | = 10

det| 3 6 ; 0 4 | = 12

218K

11t² + 9t + 4 = 0

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ