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 ...

If you have a recent pay stub, you can use Microsoft Excel to calculate your annual salary, as well as estimate how much a raise will affect your paychecks. Here are the steps to calculate yours. How ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

Annuities represent a loan or investment which offer monthly fixed payments until the account is depleted or paid off. Whether you are investing or borrowing money does not change the calculation. As ...

How to calculate a conditional running total using a PivotTable in Excel Your email has been sent An expression to return a simple running total in Excel is easy — a few references and you’re done. A ...

Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work. Image: ...

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 ...