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The real reasons Excel has 1,048,576 rows and 16,384 columns

Excel's grid feels like an endless canvas until you hit the boundaries of row 1,048,576 or column XFD. These limits aren't ...

Luhn Algorithm: Verify Credit Card Numbers & Ensure Accuracy

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.