What is a grf file and how do I open a grf file?
GRF is a DPlot Graph File containing a 2D or 3D graph created by DPlot, a program used for plotting scientific data. It saves the graph type and associated data, and is used for distribution plots, wireframe meshes, 3D projections, polar charts, probability charts, triangle plots, hydraulic scales, and many other types of graphs. DPlot is primarily used by scientists, engineers, and other technical professionals. The graphs are often included in presentations and scientific journal articles.
Relevant grf file links:How to open grf file on Youtube
How to open grf file on Wikipedia
How to open grf file on Microsoft.com