build application

[caboose117343]

Minecraft name: shaeng14
What do you like the most about redstone?: the logic integration
What's a thing you have made which demonstrates redstone knowledge?: a calculator
What does it do?: add, subtract, multiply, divide 4 bit numbers
Image and/or video, from imgur.com or youtube.com: http://imgur.com/a/Mo9k5
Do you agree with the rules?:yes

[greatgamer34]

Can I get some other staff input on this?

This looks like its someone elses work i seen on youtube, but i am not sure.
Do you other admins wanna look?