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 00:28Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

144K

∂x/∂ψ = 6x

371K

∇²t = 0

∂ψ/∂β = 3ψ

259K

\lim_{t\to 0} \frac{\sin t}{t} = 1

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

10ψ² + 5ψ + 0 = 0

234K

d/dt [t^3] = 3t^2

218K

e^{i\pi} + 1 = 0

354K

PV = nRT

70K

∂α/∂ω = 3α

402K