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

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

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

det| 7 6 ; 1 8 | = 50

144K

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

371K

∇²t = 0

det| 5 2 ; 3 6 | = 24

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

det| 11 5 ; 0 12 | = 132

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

10γ² + 8γ + 7 = 0

218K

2n² + 4n + 0 = 0

354K

8ψ² + 7ψ + 0 = 0

70K