Each of these states is described by a set of variables that change in time due to the iteration of a given algorithm.

In creating a simulation with the help of EJSS, the user does not program the simulation at the level of writing code, instead the user is working at a higher conceptual level, declaring and organizing the equations and other mathematical expressions that operate the simulation.

EJSS handles the technical aspects of coding the simulation in the Java programming language, thus freeing the user to concentrate on the simulation's content.

The generated Java or JavaScript code can, in terms of efficiency and sophistication, be taken as the creation of a professional programmer.

It contains not only the code for the simulation, but also the rest of the things, like the html introduction.