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 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

det| 3 6 ; 0 4 | = 12

144K

∂y/∂γ = 8y

371K

∇²t = 0

∂z/∂ψ = 1z

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

7z² + 2z + 0 = 0

∂x/∂ψ = 6x

224K

det| 4 2 ; 6 5 | = 8

234K

det| 4 2 ; 5 5 | = 10

det| 9 4 ; 1 10 | = 86

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

det| 9 6 ; 0 10 | = 90

70K