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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: 99-21
• Testimonial Letters
• Contact Author
Getting COMPASS
• Getting Compass
•Compass On A CD.
• Previous Versions  (New)
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 Mac/Linux
• Google Earth Overlay
• Declination/Convergence
• 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 
• ArcView/ESRI
• Italian Tutorial
• Using the Compass CD
• DEM Tutorial
Links
• Cave Related Links
• User's Pages
• User's Group
• User Questions
Documents/White Papers
• Compass File Formats
• ArcView/ESRI
• Finding Blunders
• Finding Loops
• Loop Closure
• Least Squares Papers
• Least Squares Issues
• Passage Modeling
• Survey Blunders
• J. Halleck- On Loops
• History/Philosophy
• SEF File Format (1992)
• About The Author
COMPASS For DOS
• DOS Compass Demos
• DOS Compass Features
• Magazine Review
MISC.
• Betas
• 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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