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 20:25Z

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

d/dγ [γ^3] = 3γ^2

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∑_{k=1}^{n} k = n(n+1)/2

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CaCO₃ → CaO + CO₂

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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12y² + 5y + 7 = 0

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e^{i\pi} + 1 = 0

det| 7 4 ; 4 8 | = 40

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6r² + 3r + 1 = 0

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F = G m₁m₂ / r²

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∑_{k=1}^{n} k = n(n+1)/2

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E = mc²

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∇ × E = −∂B/∂t

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

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