This is a relatively simple computer, designed in Logism Evolution.

Github to Logism Evolution: https://github.com/logisim-evolution/logisim-evolution

3 programs are included. To run either one of these, copy over the machine code into the Ram of the RSC.
Speed up the RSC by going into Simulate-> Auto-Tick Frequency

Program 1: Subtraction of two numbers
Program 2: Addition of two numbers
Program 3: Factorial of a number (may take a while to run)