Fernando Ortega

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

Screenshot of PAST 4.03, a data analyzing app for the Windows operating system.

PAST is a freeware data analyzer app that's been categorized by our editors under the calculators category 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.

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.

Features and highlights

  • 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

PAST 4.03 on 32-bit and 64-bit PCs

This download is licensed as freeware for the Windows operating system on either a laptop or desktop PC from calculators without restrictions. PAST 4.03 is available to all software users as a free download for Windows.

Compatibility with this data analyzer software may vary, but will generally run fine under Windows 11, Windows 10, Windows 8 and Windows 7 on either a 32-bit or 64-bit setup. Depending on the options available for downloading, separate versions may be available from Oyvind Hammer depending on the target system architecture.

Filed under:
  1. PAST Download
  2. Freeware Calculators
  3. Data Analyzing Software
  4. Sofware 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]

Screenshots (15)


8.34 MB
Free Freeware
Oyvind Hammer
Windows 11 10 8 7
PC Type:
64-bit · x64
Jun 3, 2020
4.03 (download)
4.1 out of 5 based on 80 ratings.

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