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GeoKalk (was GeoCalc) 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, GeoKalk is a powerful tool to perform batch operations on thousands of vectors or tensors stored in text files.

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

What's New

Version 5.9:
  • Fixed minor bugs
  • Built in Xcode 9.0


  • OS X 10.8 or later

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GeoKalk User Discussion


Current Version (5.x)


Downloads 7,968
Version Downloads 93
License Free
Date 18 Oct 2017
Platform Intel 64 / OS X
Price Free
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