derek@dereks-computer:~$ dpkg -l | grep nvidia
rc  nvidia-304                                                  304.131-0ubuntu0.15.10.1                 amd64        NVIDIA legacy binary driver - version 304.131
ii  nvidia-352-updates                                          352.63-0ubuntu0.15.10.1                  amd64        NVIDIA binary driver - version 352.63
rc  nvidia-opencl-icd-304                                       304.131-0ubuntu0.15.10.1                 amd64        NVIDIA OpenCL ICD
ii  nvidia-opencl-icd-352-updates                               352.63-0ubuntu0.15.10.1                  amd64        NVIDIA OpenCL ICD
ii  nvidia-prime                                                0.8.1                                    amd64        Tools to enable NVIDIA's Prime
ii  nvidia-settings                                             352.21-0ubuntu1                          amd64        Tool for configuring the NVIDIA graphics driver