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This category is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics articles
Many of these scales are not ratios nor dimensionless, e.g., Beaufort scale. The few things they have in common is the word scale and that they are measures. Perhaps there is no main article. Dpleibovitz (talk) 19:17, 28 February 2018 (UTC)[reply]