Past 4 - the Past of the Future

Past is free software for scientific data analysis, with functions for data manipulation, plotting, univariate and multivariate statistics, ecological analysis, time series and spatial analysis, morphometrics and stratigraphy.

Past went through a complete redesign with version 3 in 2013. In 2020, version 4 was released with 64-bit support.

Past works under Windows 7, Windows 10, and Mac OSX (not Catalina, hopefully coming soon!).

Current version (January 2020): 4.0


Windows, zipped exe, version 4.0 (7.8 MB, 64-bit)

Windows, zipped exe, version 3.26b (5.6 MB, 32-bit)

Mac, version 3.24 (24 MB), only OSX 10.8 (Mountain Lion) and later, but not Catalina!

PDF manual (8 MB)

The old Past (version 2.17) with manual is still available, here.


Frequently Asked Questions!

Terms, reference, etc.

Version history

PAST mailing list

Øyvind Hammer, Natural History Museum, University of Oslo [ohammer(at)]