Quote:
Originally Posted by DiapDealer
You need to embed a font that includes all the special characters you require for your content.
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For Maths-heavy documents, there's the "STIX Two Text" + "STIX Two Math" fonts:
https://stixfonts.org/
They include every obscure math symbol you'll ever need.
Last year someone had issues with the Alef ℵ in their math document, and I gave examples of some code + font embedding:
https://www.mobileread.com/forums/sh...44#post3575244
Just make sure all your math/variables are properly marked up with classes.