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 06:29Z

det| 3 9 ; 6 4 | = -42

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

168K

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

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

∫₀^∞ e^(-α²) dα = √π / 2

371K

2z² + 2z + 5 = 0

det| 4 2 ; 6 5 | = 8

259K

∂z/∂ψ = 1z

86K

iħ ∂ψ/∂t = Ĥψ

det| 9 4 ; 1 10 | = 86

224K

d/dψ [ψ^7] = 7ψ^6

234K

∫₀^∞ e^(-t²) dt = √π / 2

2H₂ + O₂ → 2H₂O