It was in the year 1914 that Indian mathematician Srinivasa Ramanujan came to Cambridge with a notebook filled with 17 extraordinary infinite series for 1/π. They were not only efficient but also gave ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...

This title is part of a longer publication history. The full run of this journal will be searched. TITLE HISTORY A title history is the publication history of a journal and includes a listing of the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Valerie is a seasoned writer and editor who has spent her career creating content in the parenting and women's wellness spaces. Before joining Forbes Health, Valerie was the trending news editor at ...

The change in the average U.S. tariff rate in 2025 was the largest in the modern era. One way to assess the effects of such a large shock on unemployment and inflation is by looking at data from ...