[8] They are often made using a calendar, where the person making the schedule can note the dates and times at which various events are planned to occur.
In some situations, schedules can be uncertain, such as where the conduct of daily life relies on environmental factors outside human control.
[9] People who are vacationing or otherwise seeking to reduce stress and achieve relaxation may intentionally avoid having a schedule for a certain period of time.
This time is called scheduling variance,[13] or float,[14] and is a core concept for the critical path method.
This kind of scheduling is incorporated into the computer program, and the user may be completely unaware of what tasks are being carried out and when.
The travelling salesman problem is concerned with scheduling a series of journeys to minimize time or distance.
The important components of transportation improvement proposals include (a) comprehensive evaluations of the scope of work to be completed, (b) reasonably accurate cost estimates for finishing the task, and (c) a feasible project schedule.
The challenge of constructing this schedule for larger institutions was addressed by Gunther Schmidt and Thomas Ströhlein in 1976.
[17] They formalized the timetable construction problem, and indicated an iterative process using logical matrices and hypergraphs to obtain a solution.