If you assemble your spreadsheet gradually and methodically you may be amazed by what a flexible and useful tool you will be able to create. A investment spreadsheet is among the easiest, most flexible approaches to monitor and understand the operation of your budget. The spreadsheet caused a selection of discoveries. It will then develop a picture of your portfolio's performance over time. The free spreadsheet is easy to get for downloading here. The downloadable spreadsheet is created in the template used to do non-linear regression utilizing Microsoft Excel.