Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

One of the most underused lookup and reference functions in Microsoft Excel is the DROP function. This powerful yet simple ...

We list the best free office software, to make it simple and easy to use a free alternative to Microsoft Word. However, over the years other companies have released rival office suites to help with ...

Correspondence to Professor Zhouping Tang, Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; ddjtzp{at}163.com; Dr ...