This here is a calculator. All it can do is add two numbers.

The user uses the levers to combine the values on the wall to equal the two numbers you want to add. So if you wanted to add 99 plus 5 you would on one side flip the 64 lever, the 32 lever, the 2 lever, and the 1 lever and then the 1 and the 4 lever on the other side. The calculator adds them up and displays the correct answer on the two seven segment displays in the form of an hexadecimal answer.

This schematic and world save file comes with many things. Two seven segment displays, a super decoder which takes 4 bit binary and converts it to hexadecimal, seven full adders, and a control panel with the ability to enter in your amounts. It also has all the wires exposed and on mostly color orientated wool.

I built this as a learning device.

The world file also has some weird stuff in the background. Go ahead and ignore that.