Random Number Sequence

A solid random number generator capable of generating sequences of up to 999 values, with minimum and maximum values that can range from -9,999,999 to 99,999,999 and the ability to generate up to 9 additional digits to the right of the decimal point. A sequence can even be made unique, assuring that any value occurs only once. Output is standard text and can be copied if using iPhone OS 3.0.