PPP	IIIIIII		CCCCCC		K
P  P	   I	       C      C		K
P   P	   I	      C			K
P  P	   I	      C			K
P P	   I	      C			K
P	   I	      C			K
P	   I	       C      C
P	IIIIIII		CCCCCC

(oH, WHATEVER. You get the point.)

When it says "between," type in the low limit number. When it says "and," type the high limit number. The calculator will then pick a number between the low limit and the high limit. When it says "guess," type your guess of what the number is. It will tell you if it is right or wrong.