In this video, I will show you how to evaluate an angle in degrees using the sum formula of cosine. We will need to use the ...

TeX is a typesetting standard that, among other things, allows you to typeset complex math formulas. One flavor of Tex is LaTeX, for which LaTeXiT serves as a front-end for on Mac OS X. Using LaTeXiT, ...

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 ...

Google Sheets is a versatile spreadsheet app you can use across multiple platforms, including any browser as a web app, on Android or iOS as a mobile app, or even as a desktop app through ChromeOS.

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

Excel’s formula bar has limitations that make writing, debugging, and managing complex formulas challenging. A new tool, the Advanced Formula Environment (AFE), developed by Microsoft for Excel 2019 ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...