Related Terms. A Rapid Application Development (RAD) system developed by Borland International, Inc. Delphi is similar to Visual Basic from Microsoft, but whereas Visual Basic is based on the BASIC programming language, Delphi is based on Pascal.
A parameter is a numerical value that states something about the entire population being studied. For example, we may want to know the mean wingspan of the American bald eagle. This is a parameter because it is describing all of the population. Parameters are difficult if not impossible to obtain exactly.
In general, parameters are constants that define a specific instance of a general equation that is based on variables. x and y are the variables. m and b are variables. But there are cases when, what is a parameter for one application can become a variable in another application of the very same equation. For example, to a circuit designer, the equation of a diode's IV characteristic involves the variables I and V as: Where the parameters are Is, n and Vt.