Ramanujan's pi-computing machinery exactly mirrors the necessary structure in modern physical theories (LCFTs).

Before it took over her life, Leila Gharani mostly took Microsoft Excel for granted. She was working on a process optimization project for a large paper-products manufacturer—a job that, to hear her ...

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Mathematical formulas. Maths. Scientific and educational concept. Science. Chromakey background. Green screen. Royalty-free licenses let you pay once to use copyrighted images and video clips in ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...