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 ...

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 ...

In your school life, you have learned about average and the method to calculate it. The formula to calculate the average is very simple. You just have to add all the values in the given data and ...

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 ...

As a spreadsheet software program, Microsoft Excel has many useful features for a small business's productivity. Chief among these is the ability to use formulas to make various calculations with the ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Not every problem needs Excel’s newest trick.

Write Excel formulas that are easy to understand and don't consume lots of memory.

Ever found yourself puzzled by how to calculate your monthly loan repayments accurately? You’re not alone. Many people struggle with understanding the intricacies of loan amortization. But what if I ...

Too many financial decisions are made without factoring in the time value of money. Whether providing financial planning advice related to a client’s retirement, advising a client about a business ...