Playfair’s illustrations often look amazingly modern: In one, he drew pie charts—his invention, too—and lines that compared the size of various country’s populations against their tax ...

Forbes contributors publish independent expert analyses and insights. Maury Brown is a national MLB, motorsports, and media reporter ...

Charts and graphs provided within are for informational purposes solely and should not be relied upon when making any investment decision. Past performance is not indicative of future results. The ...

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A clean and minimal Flutter app that lets you track your income and expenses easily. See your total balance and visualize your financial data through a live pie chart. Ideal for learning Flutter ...