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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

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

446K

3x² + 3x + 6 = 0

\binom{n}{k} = \frac{n!}{k!(n-k)!}

144K

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

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∇²β = 0

86K

∫₀^∞ e^(-ψ²) dψ = √π / 2

224K

∇²θ = 0

234K

9ψ² + 7ψ + 3 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

det| 7 8 ; 4 8 | = 24

70K

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

402K