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 13:00Z

det| 11 7 ; 6 12 | = 90

∑_{k=1}^{n} k = n(n+1)/2

168K

∇²θ = 0

446K

d/dy [y^12] = 12y^11

∑_{k=1}^{n} k = n(n+1)/2

144K

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

371K

9n² + 8n + 0 = 0

8ψ² + 7ψ + 0 = 0

259K

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

86K

d/dt [t^5] = 5t^4

F = G m₁m₂ / r²

224K

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

234K

∇²z = 0

218K

∇ × E = −∂B/∂t

354K