Binary adder
Interactions
- click a column's gate: one marble is released from the hopper and drops into that column
- click a rocker: a finger flicks it over and the spring snaps it to its other side
- click the clear lever: the reset bar sweeps every rocker to 0 and the lift carries the caught marbles back to the hopper
- leave it alone: after a few seconds it clears and goes back to its own sums