Calculator Link Q

<p>Hi guys
I have this program for the RAM/Trapezoid thing
(i never understood how to do this )
for my TI calculator, but I dont know how I can get into my calc.
I have TI 84+ and the link I can find is the small one with A-B
Can someone please explain this to me
I tried TI connect, it doesnt recognize my device
thanks!!!</p>