Ryan from Wisconsin called in to The Ramsey Show because instead of making money, his $4.4-million real-estate portfolio is ...

The 4% rule is designed to make your savings last for 30 years. It has you withdrawing 4% of your savings plan balance your ...

The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major ...

For as long as many of us can remember, the very best method for understanding how much you can or should spend during ...

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The 4% rule has long had both fans and critics. In fact, its originator agrees with critics who say 4% doesn't work for ...

During strongly trending bull markets, investors often overlook the importance of math in predicting forward returns.

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.