Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who has been working in the accounting and finance industries for more than 20 years. Her expertise covers a ...

Harvey C. Mansfield, who retired in 2023 after 61 years on the Harvard faculty, is the best lecturer I’ve ever heard. When I was in graduate school two decades ago, attendance in his courses routinely ...

Mathematics students often encounter confusion when distinguishing between rational and irrational numbers. However, mastering this fundamental concept becomes straightforward once you understand the ...

The number of passengers travelling between Belfast and Dublin on the Enterprise has increased by 50% since the introduction of an hourly service in October. Translink and Irish Rail introduced the ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

Contribution from the Department of Chemistry and Chemical Biology, and Materials Science and Engineering, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey ...

In a previous post, we considered three of seven "irrational" habits of highly rational people. Here we consider the remaining four, as well as some suggestions for distinguishing the genuinely ...

An estimated 2.9 billion records, including names, addresses and Social Security numbers may be affected after National Public Data confirmed it suffered after a massive data breach involving the ...

The ancient scholar Hippasus of Metapontum was punished with death for his discovery of irrational numbers—or at least that’s the legend. What actually happened in the fifth century B.C.E. is far from ...

Here’s a game: Ask a friend to give you any number and you’ll return one that’s bigger. Just add “1” to whatever number they come up with and you’re sure to win. The reason is that numbers go on ...