Checks the number of parameters of the function. Functions which set numberOfParameter=-1 should overload this method

Check whether the stack is not null, throw a EvaluationException if it is.

Determines whether the specified Object is equal to the current Object.

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Serves as a hash function for a particular type.

Return the required number of parameters.

Gets the Type of the current instance.

Whether complex results are allowed for number arguments. If l is a negative JepDouble and r is non integral JepDouble then the pow function typically returns a Complex result. If this flag is set then an EvaluationException would be thrown instead.

Creates a shallow copy of the current Object.

Sets the number of current number of parameters used in the next call of run(). This method is only called when the reqNumberOfParameters is -1.

Returns a String that represents the current Object.