Quick Reference Guide

Command	Description
grdef	defines new GRTensorIII objects (eg. tensors) which are not included in the standard libraries
grdisplay	displays the components
grcalc	calculates the components of tensors
grcalcd	calculates the components of tensors, then displays the results
gralter	applies simplification routines to tensors
gralterd	applies simplification routines to tensors, then displays the results
grcomponent	used to access individual components of tensors
grsaveg	saves the information specifying a metric or basis
grload	reads the metric contained in the file indicated by pathString and assigns it the name metricName
grmetric	sets the default spacetime to that specified by mname
grmap	apply any Maple function to the components of a tensor
grmakeg	standard program used to enter the data required to specify a spacetime geometry in GRTensorIII
spacetime	defines a new spacetime assigning it the name

(for a more complete list see ?grtensor and ?grt_commands)