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 17:28Z

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

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

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∫₀^∞ e^(-ψ²) dψ = √π / 2

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iħ ∂ψ/∂t = Ĥψ

11t² + 9t + 7 = 0

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det| 9 4 ; 1 10 | = 86

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3r² + 6r + 7 = 0

iħ ∂ψ/∂t = Ĥψ

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det| 7 6 ; 1 8 | = 50

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∑_{k=1}^{n} k = n(n+1)/2

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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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2H₂ + O₂ → 2H₂O

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