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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

\frac{8}{6} \sum_{i=1}^{n} i^{2}

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

3x² + 3x + 6 = 0

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

144K

∇²θ = 0

371K

∇²t = 0

6φ² + 9φ + 7 = 0

259K

\frac{6}{7} \sum_{i=1}^{n} i^{2}

86K

7z² + 2z + 0 = 0

2H₂ + O₂ → 2H₂O

224K

∇²r = 0

234K

det| 4 2 ; 5 5 | = 10

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

∂γ/∂z = 6γ

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ