
: Re: How to make images scale with text size on an Amazon Kindle? I am trying to create an book for use on my Kindle. The text has mathematical inline formulas rendered as images and for the
First, I don't know the specifics of using Calibre for images, but here is the css code I use to make images work in epubs which will be converted by kindlegen to Kindle.
ebooks.stackexchange.com/a/6515/417
Generally I upload d a high resolution image and then specify the width for certain sizes. Kindlegen will downconvert the images as needed.
From my example, I said that width was 95%, but you can make it 30%, 50%, whatever.
I don't know why you're using ex as units -- especially because you dealing with images of text rather than actual fonts as text. I'm guessing you're looking at autogenerated code from MS Word or Indesign?
For more background about formatting images for kindles, see their publishing guidelines. kindlegen.s3.amazonaws.com/AmazonKindlePublishingGuidelines.pdf
Eventually I imagine you could use MathML instead of a graphic, but that's not supported yet in Kindle.
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