The Rule of 72 has likely made its way to many table conversations about money. It’s a simple, almost magical calculation that tells you how long it takes to double your investment. And you don’t need ...

Most people can appreciate a good shortcut, and in the world of investing, few are as beloved as the Rule of 72. The Rule of 72 is a simple mental math trick that tells you roughly how long it will ...

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Inspired by Warren Buffett’s frequent claims that he pays federal taxes at a lower rate that his secretary, President Obama yesterday proposed a new tax hike on millionaires called the “Buffett Rule” ...

Este artículo está disponible en español. Léelo en español. California math educators this fall have been locked in a vigorous debate: Will the implementation of a new law help more community college ...