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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

3x² + 5x + 7 = 0

168K

∫₀^∞ e^(-ψ²) dψ = √π / 2

446K

3x² + 3x + 6 = 0

ω = 2πf

144K

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

371K

∇²t = 0

∫₀^∞ e^(-α²) dα = √π / 2

259K

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

86K

7z² + 2z + 0 = 0

det| 7 7 ; 4 8 | = 28

224K

∂ψ/∂β = 3ψ

234K

det| 4 2 ; 5 5 | = 10

∑_{k=1}^{n} k = n(n+1)/2

218K

∂γ/∂θ = 2γ

354K

det| 9 4 ; 1 10 | = 86

70K

10t² + 9t + 5 = 0

402K

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