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 17:49Z

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

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

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∇ × E = −∂B/∂t

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iħ ∂ψ/∂t = Ĥψ

2H₂ + O₂ → 2H₂O

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E = mc²

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3r² + 6r + 7 = 0

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

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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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E = mc²

det| 6 6 ; 5 7 | = 12

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8ψ² + 7ψ + 0 = 0

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d/dφ [φ^1] = 1φ^0

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∫₀^∞ e^(-t²) dt = √π / 2

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