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Thread: MathML Formatting Problems

07192002, 02:19 AM #1
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 Jun 2002
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MathML Formatting Problems
Right now I'm learning MathML, and am finding it very confusing. What I have now is a little page that shows the Pythagorean Theorem(sp?). Problem is, it isn't being formatted. I have downloaded the required fonts and it still doesn't work, so I figure it has to do with the code itself. Since I couldn't figure it out myself, I figured I'd ask the experts . Here's the code:
Code:<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>Pythagorean Theorem with MathML</title> </head> <body> <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mrow> <mi>c</mi> <mo>=</mo> </mrow> <mrow> <msqrt> <mfenced> <mrow> <msup> <mi>a</mi> <mn>2</mn> </msup> </mrow> <mrow> <mo>+</mo> </mrow> <mrow> <msup> <mi>b</mi> <mn>2</mn> </msup> </mrow> </mfenced> </msqrt> </mrow> </mrow> </math> </body> </html>

07192002, 02:38 AM #2
Add a:
<?xml version="1.0"?>
At the top, and save it as .xml.
Remember, HTML does not include XML namespaces  therefore to invoke the XML parser (and in turn MathML parser), you need to give a mimetype of text/xml, application/xhtml+xml, etc (anything that invokes the XML parser).
BTW, all those <mrow>'s aren't necessary:
Code:<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>Pythagorean Theorem with MathML</title> </head> <body> <math xmlns="http://www.w3.org/1998/Math/MathML"> <mi> c </mi> <mo> = </mo> <msqrt> <msup> <mi> a </mi> <mn> 2 </mn> </msup> <mo> + </mo> <msup> <mi> b </mi> <mn> 2 </mn> </msup> </msqrt> </math> </body> </html>

07192002, 03:15 AM #3
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Thanks! Works wonderfully!
Thanks for the notice about <mrow> elements. I was getting lost in them.
Happy coding!