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GeoCalc (was OSXGeoCalc) is a calculator for vectors (lines, planes, and oriented drillcore data), and tensors (strain and stress). Vectors operations can be visualised in a Stereonet, and tensor operations in a Mohr Circle. Besides being a great tool to learn vectors and tensors operations, GeoCalc is a powerful tool to perform batch operations on thousands of vectors or tensors stored in text files.

GeoCalc was made for geologists, but it can be used by anyone interested in vectors and tensors (engineers, physicists, mathematicians, etc.).

What's New

Version 5.0:

  • New, much better interface: Document based calculator, table based input and results, display of active and selected operations in stereonet and Mohr circle. Read from and write to text files.
  • The program was rewritten from scratch using the latest Cocoa technologies. The number of code lines is about one fifth of the previous version.


  • OS X 10.8 or later

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Current Version (5.x)


Downloads 7,524
Version Downloads 25
License Commercial
Date 12 Nov 2014
Platform Intel 64 / OS X
Price $4.99
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