Gradistat V 91 Free Fixed Jun 2026

Suitable for both sieve (dry/wet) and laser granulometry data.

Released in 2010 for Excel versions up to 2010.

: Generates cumulative frequency curves and histograms to represent grain size distributions visually. Availability

GRADISTAT is an in-house particle size analysis software created to automate the laborious task of sedimentological data analysis. It is officially described as a "grain size distribution and statistics package for the analysis of unconsolidated sediments". gradistat v 91 free

GRADISTAT (GRAin DIStribution and STATistics) is a software package designed for analyzing grain size statistics. It is particularly popular because it operates within Microsoft Excel, making it accessible to anyone with a basic understanding of spreadsheets.

GRADISTAT v9.1 is a cornerstone tool for students, researchers, and professionals who need efficient grain size analysis without the cost of complex, proprietary software. Its ability to handle large datasets within the familiar Excel environment makes it an invaluable asset in the laboratory.

: A fully revised version with more functionality is currently under development as of 2024. Kenneth Pye Associates Ltd Key Features Rapid Calculation : Can process approximately 50 samples per hour. Statistical Outputs : Calculates mean, mode, sorting, and skewness using both Folk and Ward (1957) method of moments calculations. Graphical Outputs Suitable for both sieve (dry/wet) and laser granulometry

Outputs statistics in both metric and logarithmic (φ or phi) units.

The tool is highly prized in physical geography and geology because it seamlessly accepts standard or customized aperture size sequences. It bridges the gap between laboratory hardware (like Malvern laser diffractors or physical sieve stacks) and academic publishing requirements. Key Software Capabilities

. Developed by Simon Blott and Kenneth Pye, it processes data from sieving, laser granulometry, and other standard measuring techniques. Kenneth Pye Associates Ltd Accessing the Software Availability GRADISTAT is an in-house particle size analysis

Descriptive terms based on the Folk and Ward scale (e.g., "Very Fine Sand").

Sometimes, it is shared on platforms like Figshare by research institutions.

Calculates Folk & Ward (1957) graphical measures: mean, sorting, skewness, and kurtosis, plus moment measures (after Friedman, 1962).

A: GradiStat is an Excel workbook that uses macros. It will work on a Mac if you have a version of Microsoft Excel that supports Visual Basic for Applications (VBA) and has macros enabled.