Learn Excel 365 formulas fast! From AutoSum to Intellisense, learn how to work smarter and analyze data with ease. Tips, ...

Performance becomes an issue with large datasets too. A poorly written macro can bog down Excel and take forever to complete, ...

This tutorial consists of three volumes and seventeen chapters, all of which cover the knowledge points we need to master in the process of using Excel. I hope everyone can make good use of it.

Win32 Function References QPC functions can be used for time-interval measurements, e.g. before and after your code.