"Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you divide the earnings you made from an investment by the ...

One of the formulas supported by Microsoft Excel is the sum of squares equation. To calculate the sum of squares using Microsoft Excel, you need to input a specific formula into the formula bar of the ...

Ariel Courage is an experienced editor, researcher, and former fact-checker. She has performed editing and fact-checking work for several leading finance publications, including The Motley Fool and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Please note: This item is from our archives and was published in 2021. It is provided for historical reference. The content may be out of date and links may no longer function. Q. Can you show me how ...

Q. I have prepared projections for a proposed project, and I want to calculate the internal rate of return. Instead of using Excel’s IRR function, should I use simple math formulas so others can ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Use Excel to calculate daily returns and standard deviation to gauge stock volatility. Annualize volatility by multiplying daily standard deviation by the square root of 252. Remember, standard ...