Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Calculating age based on a birthday is a common task, whether for work, school, or personal records. Excel makes this easy with built-in formulas that can quickly determine a person’s age from their ...

How to Calculate Percentage Change Calculating percentage change is one of the most frequently used tasks in Excel. The basic formula is: (New Value / Old Value) – 1.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

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This project provides a structured analysis of Amazon sales data using Excel. It investigates sales performance across various dimensions, including product popularity, sales representative ...

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Focus on managing your budget, not creating a spreadsheet to do so. For a great start, check out these best Excel budget templates for most any type of budget.

For those considering Roth conversions, using an Excel template can help estimate the tax implications. This involves inputting the conversion amounts and calculating the resulting tax liabilities.