There is no currency style button. You can navigate to the format currency style option like this:
Ribbon = HOME | Item = Format | Menu = Format Cells | Tab = Number | Category = Currency
The sort button is on the Home tab. I am not aware of a group button in Excel.
Never mind, I found it!!
The official Microsoft site itself has online tutorials for using Microsoft Excel 2007 in its 'Support' section. There are tutorials for familiarization, creating graphs, reports, and for accumulating data.
Much more better name it as Micrsoft Word Viewer, or Microsoft Excel Viewer. And it can vbe found and download from Microsoft site correspondently.
I found this site that lets you copy some games into your own excel files. There are quite a few... http://www.excelgames.org/mission.asp
There are lots of websites with information on Excel. You would also get a lot of information in the Excel category on WikiAnswers. There are online tutorials. You won't always understand them, and there isn't someone there to explain them. A better way of learning Excel is to get someone to show you. A course will cost you, but someone that you know who is good at Excel could show you.
For a standard spreadsheet, both versions can do what you want. 2003 looks very different and some people found 2007 difficult to adapt to, but once they got used to it, they found the fundamentals were not very different. So it is really personal choice. People who are used to 2003, might stick with it while people completely new to Excel would go for 2007.
From what I have researched, Microsoft themselves do not offer online courses for Excel. Though, I have found a page on their website with much useful information (http://office.microsoft.com/en-us/excel-help/basic-tasks-in-excel-2010-HA101829993.aspx?CTT=5&origin=HA010370218.
Lucky you, I just found out this site offer free conversion. PDF to Excel Converter 100% Free www.pdftoexcelonline.com/ Convert your PDF files back to editable Microsoft Excel documents using Nitro's industry-leading technology.
The Office button in PowerPoint 2007 (and all Microsoft Office products) is found in the top left corner of the presentation window once it is opened (see the image to the right).
The main ones are left, right, center and justify. Go to the Format Cells dialog box, by pressing Ctrl - 1 and you can get to the Alignment settings from there.
The "Insert Citation" button is typically found in a word processor program, such as Microsoft Word, within the "References" or "Citations" tab. It allows you to easily insert citations and manage references in your document following a specific citation style.