While it is true that the stock market usually goes up, most individual stocks underperform. It’s the hard-to-identify ...

Key Points ・The Rule of 72 helps you quickly estimate how long it takes for money to double at a fixed annual return. ・Fees ...

From Quanta Magazine (find original story here). Most of the important discoveries in mathematics take place after decades or centuries of effort. If you want to attack the biggest problems, you’ll ...

How do math teachers select curriculum materials, and what instructional practices do they use? A new EdWeek Research Center survey sheds some light on these questions. Earlier this month, Education ...

It is important to understand the simple math behind early retirement. Your savings rate, and asset returns will determine how long it takes for you to retire. Minimizing taxes and investment costs ...

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