A new study addresses a foundational problem in the theory of driven quantum matter by extending the Středa formula to ...

The Busy Beaver Challenge, a notoriously difficult question in theoretical computer science, is now producing answers so ...

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 ...