LaTeX and MathML are supported by all three iWork apps (Pages, Numbers, and Keynote) and iBooks Author. iWork and iBooks Author support all LaTeX commands that can be converted to MathML with blahtex. Additional supported LaTeX extensions are listed below.

Learn how to add equations using LaTex and MathML to your iWork documents or iBooks Author book.

LaTeX and MathML aren't currently supported in the iWork apps on iCloud.com.