I\'m sorry, I\'m getting confused, here. It may be because I\'m not familiar with the TI-89.
What does this mean? \"{179*3, 178*3, 177*3, 176*3, 42, 5} -> x:\" Is your calculator taking \"179*3\", converting that into 537, putting 536 into the expression for \"x\", spitting out a result...