Gradistat V 91 Link

: 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.

: Released in 2010, this version was optimized for Microsoft Excel up to the 2010 version. Version 9.1

Navigate to the workbook tab named (or Multi-Sample equivalent depending on batch scope).

The canonical reference for the software is: gradistat v 91 link

Enter : a powerful computer program designed specifically for the rapid analysis of grain size statistics from standard measuring techniques like sieving and laser granulometry. The GRADISTAT v9.1 version, which likely corresponds to the "91" in your search, is a widely used and highly reliable iteration of this software. It has been instrumental in countless research projects, as evidenced by its citation in numerous academic papers.

Released in 2010, it is compatible with Microsoft Excel versions up to 2010. You can download the .xls or .xlsm versions directly from the KPAL software page.

: Calculates distribution parameters simultaneously using the classical Method of Moments and the graphical Folk and Ward (1957) formula. : The safest and most reliable option is

: Full operating instructions are typically included within the downloaded file package itself from the KPAL website.

Have you used Gradistat v9.1? Let me know in the comments if you prefer the Method of Moments or Folk & Ward parameters for your specific environment!

GRADISTAT is extremely versatile. It accepts both standard and non-standard size data, meaning it can handle not only standard phi (φ) intervals but also any custom size breaks you have from your specific measuring equipment. : Released in 2010, this version was optimized

Often includes built-in capabilities to generate frequency and cumulative distribution curves. GRADISTAT v9.1 Link and Version History

Cumulative frequency curves (linear and probability scales).