The MathML <mi> tag in HTML5 is used as an identifier such as any kind of symbol or function. You can put any statement inside this tag.
Syntax:
<mi> element </mi>
Attributes: This tag accepts some attributes which are listed below:
- class|id|style: This attribute is used to hold the styles of the child elements.
- href: This attribute is used to hold any hyperlink to a specified URL.
- mathbackground: This attribute holds the value of the math expressions background color.
- mathcolor: This attribute holds the color of the math expressions.
- dir: This attributes holds the direction value. Two types of direction values are acceptable ltr from left to right and rtl from right to left.
- mathsize: This attribute holds the value of the size for the content. The possible values are small, medium and big.
- mathvariant: This attribute holds variety of typography like font-family.
Below example illustrates the MathML <mi> tag in HTML5:
Example:
<!DOCTYPE html>
<html>
<head>
<title>HTML5 MathML mi tag</title>
<style>
mi {
font-size:25px;
}
</style>
</head>
<body>
<center>
<h1 style="color:green">
GeeksforGeeks
</h1>
<h3>HTML5 MathML mi tag</h3>
<math>
<math>
<mi mathvariant="bold">
GeeksforGeeks
</mi>
<br>
</math>
<math>
<mi mathvariant="italic">
A Computer Science
Portal for Geeks
</mi>
</math>
</math>
</center>
</body>
</html>
Output:

Supported Browsers: The browsers supported by HTML5 MathML <mi> tag are listed below:
- Firefox
- safari