Cheatsheet – Working with signs of numerical variables

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Rodrigo | Mathspp
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This short cheatsheet will help you bring a well-known mathematical trick into your programming, by making it simpler to work with the signs of two numerical variables at once.


This cheatsheet explains how the trick works and includes a practical example of where it could be helpful in real life.


The cheatsheet is available to download for free in a PNG format. There are also SVG and PDF formats available for purchase (the PDF formats include a standard PDF and a print-ready PDF with enhanced quality).

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Cheatsheet – Working with signs of numerical variables

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