How-To Geek on MSN
How to use the MAP function in Microsoft Excel
Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...
How-To Geek on MSN
Excel's UNIQUE function can't skip columns—unless you use this trick
Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.
Earning sales from customers takes time and effort. Depending on your industry and product prices, encouraging a customer to do business with your company could take weeks or months. Even if you’re in ...
Sarah D. Sparks is a reporter and data journalist for Education Week who covers the teaching profession and pedagogy for Education Week. She has covered education research and the science of learning ...
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