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 00:25Z

∑_{k=1}^{n} k = n(n+1)/2

d/dψ [ψ^7] = 7ψ^6

168K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

F = G m₁m₂ / r²

144K

e^{i\pi} + 1 = 0

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

iħ ∂ψ/∂t = Ĥψ

86K

7z² + 2z + 0 = 0

det| 5 2 ; 3 6 | = 24

224K

∇²r = 0

234K

det| 4 2 ; 5 5 | = 10

det| 9 4 ; 1 10 | = 86

218K

9θ² + 7θ + 4 = 0

354K

2H₂ + O₂ → 2H₂O

∇²β = 0

70K

iħ ∂ψ/∂t = Ĥψ