Re: New high def picture of new TI-84 Plus Color SE Message #8 Posted by Don Shepherd on 25 Nov 2012, 6:51 p.m., in response to message #7 by Walter B
Walter, I agree, those F1...F5 functions were always a mystery. I went back and looked at the manual and I couldn't find a reference to them. But I remember that I did use them at one time, I just couldn't remember how.
They are used for soft labels in certain apps, like the inequality grapher. As you compose an inequality and you want something other than an equal sign, like <= and so on, you have to press the green alpha key and the corresponding F number to get the symbol you want. If you forget to press the green alpha key, you just get the unshifted function like Y= or Window or Zoom; not at all what you wanted. This was very very confusing, and still is.
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