Saturday, January 17, 2026
Berkshire Hathaway is raising prices, and their costs are increasing. Inflation is on the rise. These Excel charts illustrate the the problem.

Warren Buffett, Inflation, and Excel

On May 3, 2021, CNBC quoted Warren Buffett saying, “We are seeing very substantial inflation. We are raising prices. People are raising prices to...
Now that you've calculated your cross correlations—that is, your time-shifted correlations—here's how to chart them professionally.

Find Leading Indicators Using Automated Cross Correlations in Excel, Part 2

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In Part 1 of this discussion about automated cross correlations, I explained how to set up  the cross-correlation Data Table shown below, in columns...
The Weekly Economic Index (WEI) combines ten weekly measures to estimate the growth in the United States' GDP each week. It's the only measure of its kind.

Chart of the New Economic Index that Tracks GDP Weekly

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In April 2020, the Federal Reserve Economic Database (FRED) added a measure that will be followed closely during the Covid-19 economic devastation and recovery....
You can use Slicers rather than Validation Lists to control any settings in your interactive workbooks. You're not limited to controlling only Tables and Pivot Tables. Here's how to do it.

Interactive Dashboard Magic with Excel Slicers

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The figure below illustrates an Excel magic trick I created for an Excel Dashboard, using in Excel 2016. The key trick is the method I...
Using the right Excel charts to display year-to-date variances can clarify budgets and spending problems. But using the wrong charts is a waste of time.

Show Useful Year-to-Date Variance Charts in Your Excel Dashboards

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Many companies have a difficult time creating charts of spending variances. In fact, many companies rely on charts that are nearly useless for that...
Should You Raise Prices? Should You Lower Them? These Excel Charts Can Help You Answer Those Questions

Should You Raise Prices? Should You Lower Them? These Excel Charts Can Help You...

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In the early 1980s I was the CFO of a company owned by a man whose first instinct was to cut prices. When business was...
The two Excel dashboard-like charts with May data show that consumer confidence has dropped like a rock since March. But Asia's data isn't available yet.

Dashboard-Like Excel Charts of International Consumer Confidence

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The following Excel figure displays its charts in a dashboard-like format. At least, it's in a format that dashboards should use! When you use simple...
In finance, breakeven charts illustrate how your fixed and variable costs vary with your monthly sales. Here's how to set up break-even charts in Excel.

Map Costs and Sales in Excel with a Classic Breakeven Chart

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When I worked as a CFO, my monthly reports always included a breakeven chart. It was one of the most popular reports I produced. But...
Use these little-known Excel charting tricks in your management reports to compare many categories of your business performance...clearly.

Compare Metrics by Category Using Excel Dot Plot Charts

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Management reports often must compare measures of performance by some type of category. For example, reports could compare sales by product, variance by department, sales...
Excel provides several worksheet functions for working with normal distributions or 'bell-shaped curves.' This introduction to Excel's Normal Distribution functions offers help for the statistically challenged.

An Introduction to Excel’s Normal Distribution Functions

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(Download the workbook.) When a visitor asked me how to generate a random number from a Normal distribution she set me to thinking about doing statistics...

Latest Articles

Excel Flowbook Revolution

Getting Radical with Excel

It's time to think about Excel in a radical new way—when we use it to work with business or economic data. It's time, in fact,...
Growing too fast can be dangerous to your company's health. Use the Sustainable Growth Rate ratio to track your company's financial ability to grow.

How Fast Is Too Fast?

(Originally published in Inc Magazine.) What typically tops the list of worries of the chief executive officers of fast growing companies? Financing that growth, according...

How to Smooth Data by Using the TREND Function

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Years ago, I read that Prof. William S. Cleveland had suggested that data could be smoothed by calculating a centered trendline through adjacent data—a...
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