math formula in html

Superscript and Subscript

With the Tags

You can use the  tag to create superscript text and  to create su-script text. Or you can use the codes below.
Code: x<sup>x+1</sup>
Result: x^x+1
Code: x<sub>i+1</sub>


Result: x_i+1

With the Codes

Code: x²

Result: x²
Code: x⁴



Result: x⁴
More detail see the link