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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

∇²γ = 0

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∂z/∂ψ = 1z

86K

PV = nRT

224K

∂y/∂n = 5y

234K

det| 12 9 ; 5 13 | = 111

218K

F = G m₁m₂ / r²

354K

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

70K

∂α/∂r = 8α

402K