Quote:
Originally Posted by ps67
If for mathematical expressions was used MathML and not some imagine or svg files: did You try to convert Your epub in kfx? Because that format supports MathML (a subset, as stated in Amazon Kindle Publishing Guidelines), I don't know if AZW3 does it.
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Thanks ps67, upon your suggestion I installed the KFX Output
plugin (and the Kindle Previewer as its prerequisite) and tried to convert the epub to KFX but received the following error:
ERROR: KFX conversion failed: Cannot convert The Book
Conversion error:Kindle Previewer error: Error:E00837: "Unsupported mathml tag found."
So, it seems MathML is involved as you suggested. However, the Calibre viewer displays the AZW3 conversion just fine on the desktop.