Fernando Ortega

Plotting, analysis and manipulation of scientific data.

Complex application for analyzing scientific data in the form of statistics which draws graphs and plots with an interface similar to other spreadsheet software.

PAST is a freeware data analyzer app categorized as a calculator and made available by Oyvind Hammer for Windows.

The review for PAST has not been completed yet, but it was tested by an editor here on a PC and a list of features has been compiled; see below. We've also created some screenshots of the user interface to show the overall usage and features of this data analyzing program.

Spreadsheet-style software for scientific analysis of data and numbers

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.


  • A spreadsheet-type data entry form
  • Both interactive user interface and scripting
  • Graph, scatter, 3D scatter, bubble, histogram, kernel density estimation, box, percentile, ternary, survivorship, spindle, matrix, surface and normal probability plots
  • Curve fitting: Linear (ordinary least squares, Reduced Major Axis, Major Axis, robust) with bootstrapping and permutation, Durbin-Watson and Breusch-Pagan tests, Generalized Linear Model including logit regression, lin-log (exponential), log-log (allometric), polynomial, logistic, von Bertalanffy, Michaelis-Menten, sum-of-sines, smoothing splines, LOESS smoothing, Gaussian (species packing), multiple multivariate regression, logarithmic spirals

Compatibility and License

PAST is provided under a freeware license on Windows from calculators with no restrictions on usage. Download and installation of this PC software is free and 4.03 is the latest version last time we checked.

This data analyzer software can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It's only available as a 64-bit download.

Filed under:
  1. PAST Download
  2. Freeware Calculators
  3. Data Analyzing Software
  4. Software for Windows 11
PAST has been picked by our editors as very good.
We have tested PAST 4.03 against malware with several different programs. Please review the test results. We have not certified this program as clean. [Read more]
Free Freeware
Oyvind Hammer
Windows 11 10 8 7
PC Type:
64-bit · x64
Jun 3, 2020
4.03 Latest 2020
User Rating: 4.1/5 ( 89 )
File Tested
ZIP Archive (portable)
Plotting, analysis and manipulation of scientific data
SHA256 filehash:
MD5 filehash:
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