Review: Numbers for iPad and iPhone
Depending on the complexity of your spreadsheet needs, Numbers' newfound compatibility with the iPhone and iPod touch may fit the bill, though it's a bit of a tight fit on those devices' smaller screens. Still, the other features in Numbers make the app worth considering if you want to work with spreadsheets on the go.
http://rss.macworld.com/click.phdo?i=1871e855382b5943fca5aae033fe1991
