To download the free trial version of Gus and Gertie's Graphin' Gadget, click below.  The file you'll receive, called ggunreg.exe, is a self-installing file.  Just run it to install Gus and Gertie's Graphin' Gadget.   Note:  The free trial version expires in thirty days from your first use, and does not allow saving, copying or printing graphs.  The file size is approximately 1,021 KBytes.