calculator

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New
$27

Need to perform an internal proficiency test or interlaboratory comparison? Use this calculator to evaluate your results; calculate Normalized Error (En) and Z-Score per ISO/IEC 17043.

New
$29

Calculate repeatability and reproducibility from your Type A uncertainty data so you can estimate uncertainty in measurement. This package contains a repeatability and reproducibility calculator for Microsoft Excel and a PDF Guide for performing repeatability and reproducibility tests. Simple to use. Just enter your data and see your results