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 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

9α² + 6α + 0 = 0

144K

d/dx [x^3] = 3x^2

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

d/dx [x^9] = 9x^8

234K

det| 2 8 ; 7 3 | = -50

218K

∂z/∂φ = 7z

354K

12z² + 9z + 4 = 0

70K

5z² + 8z + 3 = 0

402K