Help needed

I'm looking for a pretty good redstoner with Skype. I'm building a computer on my server so the server is set up. Buying need help connecting decoder to 7-segment display I have adder decoder and 6-segment display but I would like help with the whole thing I would even like if someone recorded it. I would like it not just to be done but to kinda teach me. I would like to have basic functions add, subtract, multiply and divide at the moment. But I will probably add graph pixel art display and more later. Tell me you In game name (IGN) and Skype username.