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 00:57Z

∑_{k=1}^{n} k = n(n+1)/2

PV = nRT

168K

d/dx [x^3] = 3x^2

446K

3x² + 3x + 6 = 0

det| 5 6 ; 2 6 | = 18

144K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

371K

∇²t = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

∇²γ = 0

224K

∇²r = 0

234K

det| 4 2 ; 5 5 | = 10

det| 7 4 ; 4 8 | = 40

218K

PV = nRT

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ