Gradistat V 91 Free !!install!! Jun 2026

Because the original v 9.1 is no longer supported, the geoscience community has created "forks" and improvements:

Grain size analysis is a foundational procedure in geology, physical geography, and environmental science. It helps researchers understand sediment transport, depositional environments, and soil mechanics. While modern laboratory equipment like laser diffraction granulometers can rapidly analyze samples, processing the raw data into meaningful statistical parameters requires specialized software.

Research platforms like Figshare or specialized sedimentology forums may host these files. gradistat v 91 free

If you are struggling with a specific feature in the software, feel free to share: Which Excel version you are using If you are doing sieve or laser analysis

. You can use the program's built-in standard intervals for convenience. Input Sample Weights : Enter the weight or percentage of the sample in and subsequent columns for additional samples. Because the original v 9

: You can find detailed usage instructions and methodological backgrounds in the original GRADISTAT paper (PDF) .

The software was developed to handle data generated by traditional sieving methods as well as laser granulometry. It automatically calculates parameters such as: Sorting (Standard Deviation) Skewness Kurtosis Input Sample Weights : Enter the weight or

Grain size analysis is a fundamental technique in geology, environmental science, and civil engineering, essential for characterizing sediments, soils, and environmental samples. However, calculating mean, sorting, skewness, and kurtosis for numerous samples can be a time-consuming and error-prone process. Enter , a widely recognized, free grain size distribution and statistics package developed by Simon Blott and Kenneth Pye.

2.00: very poorly sorted

: It calculates statistics using arithmetic and geometric methods (in metric units) and logarithmically (in phi units). It employs both the Method of Moments and the Folk and Ward (1957) graphical method , allowing researchers to compare results from different approaches.

Version 9.1 carries forward the core analytical capabilities, including: