Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 17:25Z

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

∑_{k=1}^{n} k = n(n+1)/2

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∇²θ = 0

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iħ ∂ψ/∂t = Ĥψ

8ψ² + 7ψ + 0 = 0

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∫₀^∞ e^(-θ²) dθ = √π / 2

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3r² + 6r + 7 = 0

∇ × E = −∂B/∂t

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

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2n² + 4n + 0 = 0

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\oint_C \vec{F}\cdot d\vec{r} = 0

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

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