Basic rules
When breaking down a calculation to be inserted in MathML format, it is important to remember that each element is designed to hold a set number of items within its tags.
Single Elements
These elements may only contain a single entity within the tags, a number such as 24, a math identifier such as x or y, or a mathematical operator such as a + or - .
- <mi></mi>
- <mo></mo>
- <mn></mn>
- <mtext></mtext>
Multiple Elements
The following tags may contain two or more elements. The following list is not exhaustive on the options available, however a complete reference may be found in the link below.
- <mfrac></mfrac>
- <msqrt></msqrt>
- <munder></munder>
- <msubsup></msubsup>
More information of the MathML elements can be found on the Mozilla website
Rows
A row is used to group MathML elements together within a surrounding tag. For example, the number 5 raised to a power of 2x:
<math><msup><mn>5</mn><mrow><mn>2</mn><mi>x</mi></mrow></msup></math> becomes
Here a row was used as the second element for an <msup></msup> element. Two rows could have been used if necessary, but this was not the case as all that was required was a single digit 5, plus the row to enclose the 2x
