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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

∇²θ = 0

446K

3x² + 3x + 6 = 0

11t² + 6t + 6 = 0

144K

det| 9 4 ; 1 10 | = 86

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

det| 12 1 ; 5 13 | = 151

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

∇²β = 0

234K

F = G m₁m₂ / r²

218K

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

354K