Help
To help you make best use of this website, you may need to download the Flash Player and Adobe Acrobat Reader if these are not already installed on your computer.
Flash Player
The calculators on our site require the Flash Player. Select a download link below that matches your computer’s operating system and internet browser. The download is free.
| Operating System | Browser | Flash Player |
| Windows* | Internet Explorer | Download |
| Windows* | Netscape | Download |
| Mac OS X | Internet Explorer/Netscape | Download |
| Mac OS 9 | Internet Explorer/Netscape | Download |
* Windows 98/ME/2000/XP
Acrobat Reader
Some of the documents and checklists on our site are in Portable Document Format (pdf). To view these documents you will require Adobe Acrobat Reader, freely downloadable from the Adobe website.
Download Acrobat Reader
For help with any other issues, please contact our Support department:
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