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Pearson Square Calculator
The Pearson Square or Rectangle Method, also called Pearson's Square or Pearson's Rectangle, is a simplified method for solving a two variable simultaneous equation. While it is being used here with milk it is widely used in standardisation calculations for sausage manufacture, jam manufacture and blending alcoholic drinks; anywhere where it is necessary to calculate the amounts of two components that need to be mixed together to give a final known concentration.
For more information on the method refer to the article on the Pearson Square. Note Microsoft Excel spreadsheets for standardising milk using the Pearson Square method are available for downloading.
How to cite this article
Mullan,W.M.A.(2008). [On-line]. Available: Accessed: