A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Daniel writes guides on how to use the internet, explainers on how modern technology works, and the occasional smartwatch or e-reader review. He especially likes deep diving into niche topics that ...

In Microsoft Excel, a FACT or FACTDOUBLE function are both a Math and Trigonometry function. Math and Trigonometry functions in Excel perform mathematical calculations, including basic arithmetic, ...

This study is an attempt to analyze students' construction of function based problem solving methods in introductory algebra. It claims that for functions to be a main concept for learning school ...