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 ...

When I learned how to use tables in Microsoft Excel, it totally transformed how I work with data. Even if you think you already know everything there is to know about Excel tables, hopefully, you'll ...

Learn how to calculate and display variance inside Excel pivot tables. Perfect for financial analysis, reporting, and data ...

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 ...

Everyone likes a bonus, but sometimes calculating one can be a bit complicated--at first. Here's how to calculate the amount in Microsoft Excel that you or your staff will get paid. If you’ve ever had ...

Much of the data that you use Excel to analyze comes in a list form. You might need to sort the data, filter it, sum it, and perhaps even chart it. Excel tables provide superior tools for working with ...

The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...

Using standard resistor values can greatly impact the accuracy and predictability of a circuit by eliminating rounding errors incurred at the end of the design. Selecting resistor values traditionally ...