How many formulas have you found so far for calculating the distance between two points? How many different results are they giving you?
With the Distance Assistant from ZIP Code Download you can easily calculate the EXACT distance between two places. Depending on your hardware, our Distance Assistant can perform as many as 20,000 calculations per second! It will help you quickly complete your projects and unlock the door to increased developer productivity.
The formulas employed in the Distance Assistant instantly return the exact distance in miles (to 6+ decimal places) between two points on a sphere with a margin of error of about 10 yards over thousands of miles! And it's that kind of accuracy and precision that your applications demand.
Purchase the Distance Assistant today and get immediate access to our programming API. Our products are compatible with most platforms and come with a 30-day Money Back Guarantee.
Want a demonstration of how our Distance Assistant works with ZIP Codes? Check out the Distance Finder on our Free ZIP Code Lookup page.
NOTE: This product is a Distance API used by programmers to calculate the distance between two sets of latitude and longitude coordinates. It is not a software application and does not include a User's Interface. ZIP Code Download has ZIP Code distance software available for customers without the programming knowledge necessary to use the API.
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Frequently Asked Questions
Q. What is the Distance Assistant?
A. In it's most basic state - it's a trig formula.
Q. How does it access the database?
A. It doesn't. You simply pass 2 lat/long coordinates in and out comes the distance.
Q. How do I get the lat/long coordinates?
A. You will typically get that info from a ZIP Code database using a data access query.
Q. Does it come with a database?
A. No. If you already have one, you can use your own. If you don't, we have several to choose from. Check out our ZIP Code Database or Postal Code Database product line.
Q. Why do I need it?
A. We would encourage all those who need to perform distance calculations, but doubt they need the Distance Assistant, to try and derive the formula for calculating exact distance between two points on a sphere. This tool will greatly simply the process of calculating the distance between two ZIP codes.
Q. I found a formula on the internet, should I use it?
A. Do you want correct results? Distance formulas found on the internet almost always employ the "flat-earth" model which erroneously calculates distances by hundreds of miles (especially when measured across long distances).
Q. In the end, how do I use the Distance Assistant?
A. Simply pass in two latitude and longitude coordinates and it will return the distance in miles. All calculations are completely database-independent.
For an illustration of how the Distance Assistant works, check out the Tutorial on our Combo Package page.
Note:
This product is available for download only. This allows us to keep prices low and pass the savings along to you. Plus, you receive your purchase immediately - so there's no waiting involved.
Product Features & Benefits
• Lowest Price on the Net
• Full documentation and code samples are included.
• Java, PHP, C++, Perl, Visual Basic, C# source code and SQL scripts are available.
• 100% UNIX, Linux, Macintosh, AS/400, and Microsoft Windows compatible.
• 30-Day Money Back Guarantee!
• Award-Winning Customer Service
• Site License - you may install this product on all computers within your organization
• Available for immediate download in many different formats
• Used by more Fortune 500 Companies - Amazon.com, American Express, AOL Time Warner, Apple Computer, Inc., AT&T, Bank One, FedEx, Ford Motor Co., Kodak, Microsoft Corp., Walmart, Wells Fargo & Company and many more.
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