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COMPASS For Windows
Compass Tour
Other New Features
Cartography Tools
Live 3D Cave Images
On-line Help (New)
Written Description
Revision History: 99-17
Testimonial Letters
Contact Author
Getting Compass
Compass On A CD.
Download/Install Issues
Installation Instructions
Antivirus Issues
Authenticating Files
False Positives
Registration Information
Credit Card Reg.
Reg. Info/Forms
Printable Reg. Form
3rd Party Reg. Form
Auxiliary Tools/Information
Cave Data
3D Glasses
ESRI/ArcView Tools
Tutorials - (New)
Inkscape Tips and Tricks
Radio Locations
Magnetic Anomalies
Installing Under Win8
Compass on A Mac
Google Earth Overlay
Cartography Tools
Sketch Editor.
SVG Export
Inkscape SVG Maps
Illustrator SVG Maps
SVG Round Tripping
Adopting SVG Maps
Complex Plot Tutorials
Trouble Shoot CaveX
Exporting HPGL
Canvas Digital Map 
Italian Tutorial
Using the Compass CD
DEM Tutorial
Cave Related Links
User's Pages
User's Group
User Questions
Documents/White Papers
Compass File Formats
Finding Blunders
Finding Loops
Loop Closure
Least Squares Papers
Least Squares Issues
Passage Modeling
Survey Blunders
J. Halleck- On Loops
SEF File Format (1992)
About The Author
DOS Compass Demos
DOS Compass Features
Magazine Review
Other Products


Credit Cards and PayPal Information

The COMPASS credit card purchase program works through PayPal.  PayPal is a system for transferring money over the internet through credit cards, bank accounts and other methods. It  is more secure than other methods because no third party ever sees your credit card numbers or banking information.  Currently, they will accept Visa or Master Card and transfers from PayPal accounts.

Using PayPal. When you select a product to purchase, you simply click on the "Pay Now" icon to the right of the product. If you are not already a member of PayPal, they will ask you to register with them. The process is simple. In fact, it is no different from a normal credit card purchase, you just register your credit card and choose a password. After you have registered, you can buy from other PayPal sites by just entering your password. There are also lots of other useful PayPal features that could be particularly useful for people living overseas. For example, individuals can personally send or receive money through PayPal.

Troubleshooting. You  must have graphics enabled in your browser or you will not be able to pass one of the security measures that PayPal uses.  If you have  any other problems, let me know: Compass Contact Page

Setting Up PayPal Business Account. If you have a need to accept credit cards on your web page or transfer funds around the world, you can setup  your own PayPal business account. There are also other account categories that are very useful. For more information about PayPal accounts, click here or on the graphic below:

Make payments with PayPal - it's fast, free and secure!

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