See it in Action!
See How Ruler works inside an actual ebook.
This mini-app allows your readers to display a ruler on the screen to take measurements (in different units). There are horizontal, vertical, and triangular rulers available. The ruler can be dragged, rotated, and even altered in size. This mini-app is popular for K12 Math and Geometry-based ebooks.
For each mini-app that you add, you may create and select different customizations, that will make this mini-app act differently. Through customizations you may also choose different styles, like a different background color or image.
You can do all the customization from the browser or from within Kotobee Author. For more details on how to do it, please visit this support article.
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For each mini-app that you add, you may create and select different customizations, that will make this mini-app act and look differently.