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Excel add-ins available


WildcatRegi

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Posted

you tech-savy, goggling experts probably already know this, but I just found a governmental site that has Excel add-in functions available for download.

 

These addins do all kinds of geometric functions such as distance and bearing calculations and are very easily used in Excel....

 

go to Excel Add-ins

 

"The hardest thing to find is something that's not there!"

Posted

Use caution using the Spherical Functions for solving some of the caches that require coordinate geometry. The Earth is not a sphere, and that fact can add several needless meters of error to your calculations.

 

For example: Using the Bearing and Posdist functions on the following two points N47-39 W122-21 and N47-40.8 W122-18 only three miles apart, gives answers that differ by almost 14 meters from the WGS84 model used by this Great Circle Calculator

 

[This message was edited by blindleader on September 23, 2003 at 11:56 AM.]

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