You want to calculate the precise length of time a conference last? Do you climb, to calculate the other attractions in a scenic spot to reach the required time? With this program, you can easily mark the beginning of things and end times, required to get things done the time. ,
1 have marked the start time and end time, duration statistics.
2 can be calculated many things at the same time.
3 starts the progra, you can still see the contents of the last operation.