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 to certain categories.

Learn how to master Excel for data analysis and uncover actionable insights with this step-by-step guide. Perfect for beginners and pros ...

Array constants can only contain text in double quotes, plain numbers (no currency symbols or percent signs), or Boolean values (TRUE and FALSE), separated by the comma and semicolon delimiters. They ...

Figure 1: The roles of the interactions of Rb with the E2F transcription factors and with chromatin-remodelling complexes in the regulation of the cell cycle and in apoptosis are still emerging.