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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

PV = nRT

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

12y² + 5y + 7 = 0

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

∇²z = 0

86K

F = G m₁m₂ / r²

224K

PV = nRT

234K

det| 12 9 ; 5 13 | = 111

218K

det| 9 4 ; 1 10 | = 86

354K

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

70K