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 00:57Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

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

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

det| 11 5 ; 0 12 | = 132

86K

F = G m₁m₂ / r²

224K

∂y/∂n = 5y

234K

iħ ∂ψ/∂t = Ĥψ

218K

F = ma

354K

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

70K

∇²t = 0

402K