Raise the line labelsAlso shows the distances on tall signs beside the bench. They are already printed flat on the table.
Calculation
Always ask for the calculationOff by default: the work done is worked out for the pupil, and they choose "Work out W myself" if they want to try it. Turn on to open the calculation panel automatically after every pull.
Accept close answersMarks an answer right if it is within 0.05 J instead of 0.02.
Procedure
No dragging — buttons onlyEvery drag becomes one button press. Perfect technique assumed.