Calc

[aikido1999]

What in particular interests you most about redstone:The infinite things you can do.

Which prompt have you selected to build:5

If you selected prompt 5, what is the prompt that you have designed:I designed a calculator that can only add.

Please provide an explanation of your device:I made this through my knowledge of redstone.

Please provide image or video documentation of your device hosted by either imgur.com or youtube.com: http://i.imgur.com/tFdimJr.jpg

Do you agree to the rules of our server:yes.

[Xeomorpher]

could you try making it subtract too?

[Guy1234567890]

Or perhaps some sort of multiplication or division? (Be creative!)