SuperComputer in the past

Prompt

Imagine a man in the timeline and geography of Muhammad had a magic super computer that he could very easily program without any bugs. Could that Supercomputer help him and his tribe for a middle east domination? If yes, how? If no, what is your answer is based on? But remember, the knowledge and science is still based on that timeline and geography. And I don't mean all Arabs were united in the first place. Only one tribe had access to this super computer.