This calculator was created by user's request. It summarizes time for different activities entered into table. You should press "Add" button, enter name of activity, start and end time. Calculator will sum activities with identical names and output totals in the table. It also displays total time for all activities.
|arrow_upwardarrow_downwardName||arrow_upwardarrow_downwardStart time||arrow_upwardarrow_downwardEnd time|