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 07:58Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

46K

∇²r = 0

468K

\frac{6}{1} \sum_{i=1}^{n} i^{2}

det| 5 3 ; 7 6 | = 9

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det| 11 9 ; 0 12 | = 132

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∂x/∂θ = 8x

8ψ² + 7ψ + 0 = 0

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∇²θ = 0

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3φ² + 4φ + 2 = 0

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

358K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

121K

E = mc²

399K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

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∇ × E = −∂B/∂t

11K