Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

It's a short week for the San Francisco 49ers after their first loss. With so many issues going into Thursday's game against the Rams, we had questions for the Chronicle's NFL coverage team.

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Microsoft added some very useful features to Excel in September 2025, but many of them are exclusive to customers belonging ...

Microsoft Excel turns 40 today, and the company has outlined plans for future updates set to transform how we work with data.

Two former Microsoft workers have had enough of watching companies struggle with Excel spreadsheets. They decided to do ...

Pixel phones have great software but average hardware. There's a way Google could fix this, but it'll never happen.

Abstract: Exam timetabling is a prominent topic in academic administration management as it ensures the effective utilization of resources and satisfies the requirements and preferences of ...