Gradistat V 9.1 [hot] Review

Because it is an Excel spreadsheet, users can inspect the formulas and interpolation methods. This transparency is vital for peer-reviewed research – you know exactly how d50 is derived.

The output includes both the numeric values and the full text classification (e.g., "Slightly Gravelly Sandy Mud"). gradistat v 9.1

: It computes essential grain size parameters such as Mean , Mode , Sorting (Standard Deviation) , Skewness , and Kurtosis . Because it is an Excel spreadsheet, users can

The purpose of this report is to process granulometric data using Gradistat v9.1 (Blott & Pye, 2001) to derive standard sediment grain size statistics. The software employs the geometric (Folk & Ward, 1957) and logarithmic (Folk, 1974) methods of moment measures. : It computes essential grain size parameters such

Unlike complex GIS or coding-based solutions (e.g., R's G2Sd package or Python scripts), Gradistat v 9.1 operates entirely within Microsoft Excel. This makes it accessible, user-friendly, and immediately deployable for students, lab technicians, and professionals who are already comfortable with spreadsheet software.

: Calculations are performed using both the Folk and Ward (1957) graphical method and the Method of Moments .