: If you prefer computing grain size parameters programmatically within a native command-line environment instead of Microsoft Excel, you can download the equivalent G2Sd Package on CRAN , which is built directly on the mathematical parameters of the original Gradistat software. 📊 Core Statistical Outputs Computed by the Software
While older versions (like 4.0 and 8.0) are historically available through official channels, GRADISTAT version 9.1
You must navigate to Excel’s Trust Center and select "Enable all macros" (or choose to trust the specific document) for the program to function. Without macros enabled, the buttons and automated calculation sheets will not work. Step-by-Step Guide to Using Gradistat v 9.1 gradistat v 91 link
The software is often maintained in academic repositories or specialized sedimentology pages.
Open the file in Excel. Click or Enable Macros on the yellow security warning bar at the top of the screen. 3. Data Entry : If you prefer computing grain size parameters
It computes statistics in both metric units (microns/millimetres) and logarithmic φ (phi) units .
GRADISTAT v9.1 processes your raw sample data using both the traditional and the classic Folk and Ward graphical methods . It automatically converts values back and forth between physical metric units (micrometers/millimeters) and logarithmic phi ( Step-by-Step Guide to Using Gradistat v 9
You can also find related datasets and software documentation on
: Access the "Gravel Sand Mud" and "Sand Silt Clay" sheets for automatically generated triangular diagrams and cumulative distribution plots.