AO Office is the world's first porting of OpenOffice for iOS and it's a powerful and complete office suite for OpenOffice / LibreOffice documents.
You can view, edit, import, and export PDF, Word, Excel & PowerPoint documents using full features of the OpenOffice in the PC version.
AO Office has 5 components:
Writer: a word processor you can use for anything from writing a quick letter to producing an entire book.
Calc: a powerful spreadsheet with all the tools you need to calculate, analyze, and present your data in numerical reports or graphics.
Impress: the fastest, most powerful way to create effective multimedia presentations.
Draw: lets you produce everything from simple diagrams to dynamic 3D illustrations.
Math: lets you create mathematical equations with a graphic user interface or by directly typing your formulas into the equation editor.…
From the developer’s store description.