Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of ...

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A collection of Microsoft Excel learning and exercise sheets to help you build practical skills in formulas, functions, data analysis, and more.

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Ludi Akue discusses how the tech sector’s ...

Formulas in Microsoft Excel can contain a wide range of symbols, such as the asterisk (*), the question mark (?), and the "at" (@) sign. Among the most important are parentheses, square brackets, and ...

Q. Traditional PivotTables have always intimidated me. I see there is a new Excel function called PIVOTBY. What is the difference between it and the traditional PivotTable? With the PIVOTBY function, ...

Q. Are there any alternatives to traditional PivotTables in Excel? A. The first thing that comes to mind is the function GROUPBY. The primary purpose of GROUPBY is to make data analysis easier by ...

Have you ever found yourself staring at a tangled mess of Excel formulas, wondering if there’s a simpler way to get the results you need? You’re not alone. Whether you’re managing sales data, tracking ...

Microsoft Excel is a widely used spreadsheet software that has been around for decades. To learn Excel, start slowly, play around with the basics, and seek out online tutorials. Excel is part of the ...

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