A unique series of Books and Apps for the Surveying, Engineering, GIS Professionals and aspiring Students. 


Contact information


If you have a bug to report or have a support question please contact:



If you have general questions or comments about the software, use one of the following contacts:


Accounting: Cindy Crume ( ccrume@cc4w.net )


Senior programmer: Jim Crume ( jcrume@cc4w.net )


General information


Cindy Crume: Jim’s wife, handles all of the accounting for CC4W. She also is the Chief Editor for the books and software documentation.


Jim Crume: Is the senior programmer with over 30 years of experience in many programming lanquages including Microsoft Visual Studio Visual Basic and Microsoft .Net Framework, Javascript, HTML5, CSS and Jquery Mobile. 

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