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Sams Teach Yourself XSLT in 21 Days by Michiel van Otegem

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WEEK 1 DAY 18 Building Computational Stylesheets

Yesterday you learned about recursion, a technique you can use when matching and iteration can’t do the task you want to perform. Recursion is really a prelude to the topic of today’s lesson: stylesheets that perform computations of some sort.

XSLT provides several mathematical operators and functions with which you can accomplish computations. In today’s lesson, you will learn about these operators and functions, and how to apply them in real-world problems. Unfortunately, the operators and functions in XSLT are limited in power, so you have to use the existing ones creatively.

In today’s lesson, you will learn the following:

• What a computational stylesheet is

• What the difference is between ...

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