- Online Scientific Calculator
- Online Graphing Calculator
- Download Graph Papers: with plain large grids | with plain small grids
- Create simple graphs with this online program
- CMAP Tools- free Inspiration-like software
- OpenOffice - Good open source Microsoft Office- like software for the PC
- NeoOffice - Good open source Microsoft Office-like software for the Mac
Wikipedia should be used as a starter, informal source of your research to help you with initial ideas. It should never be used as a primary resource. You HAVE to examine the content for validity by checking out each article's references.