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 03:50Z

∇ × E = −∂B/∂t

∂z/∂ψ = 1z

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

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

∂z/∂φ = 7z

144K

∇²θ = 0

371K

∂x/∂n = 6x

ω = 2πf

259K

det| 7 4 ; 4 8 | = 40

86K

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

N₂ + 3H₂ ⇌ 2NH₃

224K

∂ψ/∂β = 3ψ

234K

6r² + 3r + 1 = 0

218K

PV = nRT

354K

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