ex1.c: Demonstrates opening and drawing in a window\n
ex2.c: Demonstrates use of color map\n
ex3.c: Plots a simple line graph
ex4.c: Demonstrates use of PetscDrawZoom()\n
ex9.c: Makes a simple histogram
ex10.c: Tests repeatedly setting a window type
ex11.c: Demonstrates use of color map\n
makefile