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 00:07Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

det| 10 7 ; 3 11 | = 89

144K

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

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

218K

PV = nRT

354K

8ψ² + 7ψ + 0 = 0

70K