File:Calculator plan.png

Summary
Right now, it is not the good plan, but here it goes:

- The box on the down right corner is the control panel.

- White wool indicates Bridges.

- Yellow wool indicates adder.

- Red wool indicates subtracter.

- Blue wool indicates multiplier.

- Pink wool indicates divider.

- Purple wool is binary-to-decimal decoder.

- Finally, green wool is decimal-to-7-segment decoder.