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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

∂y/∂γ = 8y

446K

3x² + 3x + 6 = 0

\frac{4}{6} \sum_{i=1}^{n} i^{2}

144K

det| 12 9 ; 5 13 | = 111

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

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

86K

7z² + 2z + 0 = 0

det| 1 4 ; 3 2 | = -10

224K

10γ² + 8γ + 7 = 0

234K

det| 4 2 ; 5 5 | = 10

8ψ² + 7ψ + 0 = 0

218K

∫₀^∞ e^(-t²) dt = √π / 2

354K

2H₂ + O₂ → 2H₂O