Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.

Abstract: In recent years, due to the influence of surface activities caused by natural factors and human activities, numerous infrastructures in urban areas have safety issues involving slow and ...

Abstract: The emergence of the metaverse demands adaptive rendering systems that produce high-quality scenes, balancing the dimensions of visual fidelity with computational efficiency. Methods used ...

These courses guide you through Excel, Word, Access, and PowerPoint, from the basics to more advanced tools like VLOOKUP, XLOOKUP, and conditional formatting. You follow along in the actual apps, so ...