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 00:14Z

∑_{k=1}^{n} k = n(n+1)/2

ω = 2πf

168K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

446K

3x² + 3x + 6 = 0

λ = h/p

144K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

371K

∇²t = 0

3z² + 5z + 1 = 0

259K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

86K

8ψ² + 7ψ + 0 = 0

224K

iħ ∂ψ/∂t = Ĥψ

234K

det| 3 6 ; 0 4 | = 12

218K

10t² + 9t + 5 = 0

354K

N₂ + 3H₂ ⇌ 2NH₃

70K

\lim_{α\to 0} \frac{\sin α}{α} = 1

402K