Overall this process for entering data and performing calculations in Numbers is very similar to other spreadsheet options (and is relatively cheap at $19.99 through the Mac App Store), so if you ...

Google Spreadsheets is extremely versatile and a perfect tool for investors. I especially like the importHTML function to import entire financial statements into a spreadsheet.

You can use VLOOKUP with Google Sheets similar to how the search function is used to find information in Excel.