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 00:05Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

∂γ/∂θ = 2γ

446K

3x² + 3x + 6 = 0

d/dx [x^9] = 9x^8

144K

det| 5 3 ; 7 6 | = 9

371K

∇²t = 0

det| 5 2 ; 3 6 | = 24

259K

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

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

∂z/∂φ = 7z

234K

det| 4 2 ; 5 5 | = 10

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

218K

det| 10 3 ; 4 11 | = 98

354K

2H₂ + O₂ → 2H₂O

∇²t = 0

70K