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Using MathML mathematical formulas in HTML5

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Jun 05, 2018 pm 02:14 PM

html5 math

This article mainly introduces a simple explanation of using MathML mathematical formulas in HTML5. The wonderful use of math tags can often produce unexpected effects. Friends in need can refer to the HTML syntax permissions of HTML5 We apply MathML elements within the document using the

...

tag.

The following is a valid HTML5 document using MathML:

XML/HTML CodeCopy content to clipboard

html   
<!doctype html>
  <html>
  <head>
  <meta charset="UTF-8">
  <title>Pythagorean theorem</title>
  </head>
  <body>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
      <mrow>
        <msup><mi>a</mi><mn>2</mn></msup>
        <mo>+</mo>
        <msup><mi>b</mi><mn>2</mn></msup>
        <mo>=</mo>
        <msup><mi>c</mi><mn>2</mn></msup>
      </mrow>
    </math>
  </body>
</html>

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This will generate the following result:

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The code is as follows:

a2 + b2 = c2

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Easy to learn this concept - please use FireFox 3.7 or higher for online exercises.

Using MathML Characters
Imagine that the following is a markup that uses the character ⁢:

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html   
<!doctype html>
  <html>
  <head>
  <meta charset="UTF-8">
  <title>MathML Examples</title>
  </head>
  <body>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
       <mrow>
          <mrow>
             <msup>
                <mi>x</mi>
                <mn>2</mn>
             </msup>
             <mo>+</mo>
             <mrow>
                <mn>4</mn>
                <mo>⁢</mo>
                <mi>x</mi>
             </mrow>
             <mo>+</mo>
             <mn>4</mn>
          </mrow>
             <mo>=</mo>
             <mn>0</mn>
        </mrow>
   </math>
</body>
</html>

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This will generate the following results

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The code is as follows:

x 2 + 4  x + 4 = 0

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Easy to learn this concept - please use FireFox 3.7 or higher to practice online.

Matrix expression example
Imagine the following example, which will be used to represent a simple 2x2 matrix:

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html   
<!doctype html>
  <html>
  <head>
  <meta charset="UTF-8">
  <title>MathML Examples</title>
  </head>
  <body>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
       <mrow>
          <mi>A</mi>
          <mo>=</mo>
          <mfenced open="[" close="]">
             <mtable>
                <mtr>
                   <mtd><mi>x</mi></mtd>
                   <mtd><mi>y</mi></mtd>
                </mtr>
                <mtr>
                   <mtd><mi>z</mi></mtd>
                   <mtd><mi>w</mi></mtd>
                </mtr>
             </mtable>
         </mfenced>
      </mrow>
   </math>
</body>
</html>

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This will generate the following results
2016219113648268.jpg (86×68)

Related recommendations:

Use The clip() method in HTML5 Canvas API crops the area image

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