The performance of a process control algorithm based on EWMA statistic is analyzed. A simple condition relating the EWMA weight and the estimated process gain is shown to ensure that the control strategy is stable for a first-order multiple-input, single-output process that may be drifting or...

Monte Carlo simulation models of regular season and playoff games in the National Hockey League can be used to motivate students who are sports fans to study OR/MS models. I describe how such models can be implemented in a spreadsheet, how my colleagues and I have used them in our courses, and...

Graphical representations of spreadsheet queueing simulations can be used to teach students about queues and queueing processes. A customer graph shows the experience of every individual customer in a queue, based on arrival time, start of service, end of service, and showing clearly the length...

Two Looks at the Spinner Experiment are presented. (1) “‘Obvious’ Abstractions: The Spinner Experiment” by Armann Ingolfsson, and (2) “Another Take on the Spinner Experiment” by David Zalkind