Gradistat V 91 | Link
However, safe archival of scientific software does exist. The most reliable sources for a as of 2025 include:
Understanding GRADISTAT Version 9.1: The Essential Tool for Sediment Granulometric Analysis
Click the macro-enabled calculation buttons provided on the spreadsheet. The software will instantly process the geometric, logarithmic, and arithmetic statistics.
. This software, originally developed by Simon Blott and Kenneth Pye, is widely used in sedimentology for rapid grain size statistics and analysis using Microsoft Excel. Social Media Post Template gradistat v 91 link
The software automatically produces a "Summary Statistics" sheet. This includes:
: Automatically generates frequency plots, cumulative distribution curves, and ternary diagrams (e.g., Gravel-Sand-Mud) .
For sedimentologists, geomorphologists, and environmental scientists, understanding grain size distribution is crucial. (Grain Size Distribution and Statistics Package) has long been a staple tool for analyzing sediment samples derived from sieving or laser granulometry. While the original 2001 version set the standard, the software has evolved to handle modern datasets. However, safe archival of scientific software does exist
is a fundamental tool in the geosciences, turning the tedious task of grain size analysis into a rapid, automated, and error-free process. Its integration with Microsoft Excel makes it accessible to any researcher with a computer. By using the official download link provided in this article, you can ensure you are using a legitimate, secure, and fully functional copy of this indispensable sedimentology software.
After a thorough search of academic databases, software repositories, and public records, It is possible this is a typo, an internal codename, or a reference to a very obscure or defunct tool.
This creates a clear distinction:
Many earth science, geography, and geology departments host copies of Gradistat on their course resource pages or laboratory websites. Searching for university file directories ( site:.edu or site:.ac.uk ) alongside the keyword "Gradistat" is often the safest way to find an uncorrupted file. 2. ResearchGate and Technical Forums
: The safest and most reliable option is to download GRADISTAT version 8.0 directly from the developer’s website: http://www.kpal.co.uk/gradistat.html This page contains a link to download the software, along with full instructions and the original journal article citation. Since v8.0 is the latest official release, it is the most stable and well‑documented version. It is designed to work with Microsoft Excel up to version 2010, but many users have reported success with later Excel versions as well.
Cumulative frequency curves and histograms for each sample, which are ready to be exported directly into research papers or theses. Troubleshooting Common Issues Run the Calculations
Navigate to the input sheet. Input your sample identification names along with the weight retained on each physical sieve size, or the percentage breakdown provided by your laboratory's laser granulometer. 4. Run the Calculations