The command randInt( provides a random integer between the first argument and the second. randInt( can be used to provide a number for guessing games.
:randInt(lowNum, highNum, numTrials)
This creates a numTrials length list that is composed of random integers between lowNum and highNum.
This program clears the screen, then asks for the starting number (the first argument), the ending number (the second argument), and displays the result.