- http://en.wikipedia.org/wiki/Financial_modeling: Wikipedia offers a rough introduction into the topic and what industry practitioners understand as "financial modelling" - no more, no less.
Financial markets data
- http://finance.yahoo.com/: A very useful source for financial time series. They can be downloaded as CSV. Via the web service, you can also directly download stock quotes to Excel.
Financial modelling jobs
- http://www.efinancialcareers.com/: A good website specialised in finance jobs around the globe.
- http://msdn.microsoft.com/en-us/library/ee658205.aspx: Microsoft offers a lot of tutorials for Excel. They've built it, so they should know their stuff!