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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

168K

det| 11 4 ; 5 12 | = 112

446K

3x² + 3x + 6 = 0

det| 5 2 ; 3 6 | = 24

144K

∂y/∂γ = 8y

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

∫₀^∞ e^(-θ²) dθ = √π / 2

86K

7z² + 2z + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

224K

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

234K

det| 4 2 ; 5 5 | = 10

11t² + 9t + 4 = 0