Topic:

<ATOP> Math Box Atop

Definition:

Places the expression to the left of the <ATOP> tag over the expression to the right, leaving the area between the two expressions blank.

Attributes:

none

Context:

<ATOP> is legal within:
<BOX>

The following markup can be used within <ATOP>
none

Suggested style/usage:

Close Tag: OPTIONAL

Example:

<MATH>{a - b<ATOP>a + b}</MATH>