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 ...

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 ...

The Uganda Electricity Distribution Company Limited (UEDCL) has signed a landmark $50 million (Shs195 billion) financing agreement with Absa Bank Uganda, marking a significant step toward upgrading ...

In power distribution systems, three-phase transformer configuration directly impacts system reliability and load management.

A clear-eyed look at the $800 billion returns cycle: how it formed, where it fails, and what retailers must fix to prevent ...

With eight years of experience as a financial journalist and editor and a degree in economics, Elizabeth Aldrich has worked on thousands of articles within the realm of banking, economics, credit ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 27, No. 1 (1978), pp. 76-77 (2 pages) This note proposes an approximation to the cumulative normal distribution and its ...