Yes - you can create graphs from the data in a spreadsheet.
Absolutely - I use them regularly. The spreadsheet part of OpenOffice is 'Calc'
Some popular spreadsheet programs are Excel (MS Office), Lotus 1-2-3, and Calc (Open Office).
yes
Microsoft Excel and Open Office Calc
Just about the same as in Microsift Office: Spreadsheet, Word processor, Database, Graphics, Presentation...
The maximum per spreadsheet is 1024 columns.
Open Office will happily open Excel files. You may have to play around with the formatting etc, but it will certainly import the data from an Excel spreadsheet without any problems.
Try Star Office or Open Office, both of which are free. See the links below.
You would use a spreadsheet application such as Excel, Lotus 123, Open Office Calc, Quattro Express, Google Docs, etc. It will depend on what was used to create the original document. Some applications are capable of opening several types of spreadsheet.
Click on Start > All programs > Open office > Calc. That will open a blank spreadsheet for you to start using. If you're referring to a particular function - drop me a note via my message board, and I'll try to help.
Open Office comprises the following programs :- Word - Word-processing Calc - Spreadsheet Base - Database Impress - Slideshow Draw - Graphics Math - Formula