Whether you need to create a chart-heavy document from scratch or just review your colleague's spreadsheet, Apple's Numbers can handle the job. In typical iWork fashion, it's loaded with handsome templates for budgets and expense reports as well as personal docs like vacation planners.
WIRED Illustrated pop-ups let you choose the perfect chart or table. Custom keyboards make entering equations a snap.
TIRED No landscape mode for iPhone. Can't merge or split cells.