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 00:09Z

∑_{k=1}^{n} k = n(n+1)/2

PV = nRT

168K

∫₀^∞ e^(-z²) dz = √π / 2

446K

3x² + 3x + 6 = 0

det| 7 4 ; 4 8 | = 40

144K

F = G m₁m₂ / r²

371K

∇²t = 0

2H₂ + O₂ → 2H₂O

259K

det| 12 1 ; 5 13 | = 151

86K

7z² + 2z + 0 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

224K

∇ × E = −∂B/∂t

234K

9α² + 6α + 0 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

det| 7 7 ; 4 8 | = 28

70K

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

402K