Quote:
Originally Posted by DaleDe
These are easy to create as images and they can be displayed as such without loss of information.
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Well, yes and no: If you are able to physically see the image, you can read its information; however, if you are visually disabled, the image will do you little good. This is why MathML was created, to provide actual math markup that can be read by readers and browsers, for those who are visually disabled. Thus far, MathML is not supported by most applications, but it should be eventually.
Hopefully even PDF will read MathML and be able to tag it for reflowing (though that could look interesting, to say the least). At present, I don't know of any e-book readers that can handle MathML, which puts them in the same boat as PDF.