Assuming you enter the products in the spreadsheet, each row is a product with a production date and product code. Given that the date data in column A, the product code in column B, cell D14 is used to count the number of products in a day, for example, October 12, 2019.
We can use a very simple but highly effective formula, an array formula - a situation using advanced SUM function. Select a representative cell with required date data, for example A7. The resulting formula in cell D14 is as follows
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