Nvidia cuda core as maths calculator

I want to create a fast calculator. its speed must be over 1 terraflops. i found that cuda math codes.
http://docs.nvidia.com/cuda/cuda-math-api/index.html.

can i run simultaneously 100 calculation over my nvidia graphics card gtx-680?
can i use nvidia graphics card as supercomputer? i need only 1000 parallel ±*/% functions running.