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

2H₂ + O₂ → 2H₂O

168K

6n² + 7n + 6 = 0

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-r²) dr = √π / 2

144K

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

371K

∇²t = 0

8γ² + 1γ + 1 = 0

259K

∇²r = 0

86K

7z² + 2z + 0 = 0

PV = nRT

224K

det| 3 7 ; 2 4 | = -2

234K

det| 4 2 ; 5 5 | = 10

8ψ² + 7ψ + 0 = 0

218K

∇ × E = −∂B/∂t

354K

PV = nRT

70K

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

402K