To add a member, simply type in his name and press "add member".
Then add the rounds/entrances and their duration. To add a round, type in its duration and press "add round".
To add members to a certain round, simply click on a desired round to select it (its border will be visible) and then click on the button + next to a member that you wish to add to this round
To get the minutes all members spent in the rounds, simply press "calculate", and the minutes spent will appear next to each member. Results are in minutes with decimals points, those are not seconds!