the author of this app says:
This Excel-like spreadsheet for Palm(tm) devices enables you to carry your PC spreadsheets with you.
- Import and export spreadsheets (including tab and comma-delimited files with values or formulas) on PC and Macintosh
- 80 separate functions
- A pop-up, calculator-style keyboard
- Sort up to three columns with an option for row header
- Advanced formatting options
- Recognition of international settings
- Fast cell navigation
- Synchronization between your device and your PC
- Workbooks with unlimited sheets
There is a 3 day evaluation period before you accuire a license key for a 30 day demo. Get the license key at: http://www.iambic.com/pilot/tinysheet/download.htm.