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<p>[QUOTE=&quot;-jeffB, post: 8731560, member: 27832&quot;]Better still: break out wear, strike, luster, and color on separate scales. Why collapse everyone onto a number-line of decimals when you can use quaternions instead? Different collectors weigh these factors differently; with a four-axis grading system, they can just run a dot product against their own personal eigenvector, and presto, the weighting we&#039;ve all been waiting for![/QUOTE]</p><p><br /></p>

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