Discrete time simulators can be used to model or the analytic
equations generally used by ecologists. The user defines the
model by defining equations that govern the rates of change in
populations, individuals or physical features of the
environment. These models are then solved by incrementing time
in fixed steps using the current time as an input into these
equations. Typical uses for this engine are hydrolic models or
air flow models. Some interesting applications of Discrete Time
Simulations are: