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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

9ψ² + 7ψ + 3 = 0

144K

iħ ∂ψ/∂t = Ĥψ

371K

∇²t = 0

\frac{3}{2} \sum_{i=1}^{n} i^{2}

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

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

224K

∇ × E = −∂B/∂t

234K

det| 7 4 ; 4 8 | = 40

218K

∂y/∂n = 5y

354K

∇²γ = 0

70K