Place weights on the left pan to find the equivalent mass on the right tray.
To add a weight on the left pan, drag and drop it on the pan.
Inventory the possibilities on the board or test directly on the scale.
"Reload" button removes the weight shown on the left pan.
Enter the "Edit" mode to :
To move a weight in the right tray, drag and drop it on the pane.
To add weight, click the "+" button and enter a mass (don't use decimal numbers).
weights have a field number. Click the box and enter the desired digits.
"Display" button comes back to the activity.