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 00:27Z

∑_{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

∑_{k=1}^{n} k = n(n+1)/2

144K

∂x/∂ψ = 6x

371K

∇²t = 0

PV = nRT

259K

det| 10 3 ; 4 11 | = 98

86K

7z² + 2z + 0 = 0

2H₂ + O₂ → 2H₂O

224K

∂α/∂r = 8α

234K

det| 4 2 ; 5 5 | = 10

det| 9 4 ; 1 10 | = 86

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

∂y/∂n = 5y

70K

∇ × E = −∂B/∂t

402K