2.2.5 Checking the version of giac that you are using: version giac
The version (or giac) command returns the version of
giac that is running. It doesn’t have any arguments, but it
does require parentheses.
Input:
version()
Output:
"giac 1.6.0, (c) B. Parisse and R. De Graeve, Institut Fourier, Universite de Grenoble I"