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Math Help - Ti-89. I can't input values into xres for my graph window.

  1. #1
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    Ti-89. I can't input values into xres for my graph window.

    It's all...fuzzed out. I'm trying to do this ANNOYING trig problem that I've no idea how to do, but one of the things I have to do is set it up in the right window, but I can't access the xres part.

    This is like, the 3rd calculator I've gone through in a month, please tell me it's not a software issue.
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  2. #2
    Moo
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    Hello,

    Do you mean that in the WINDOW (diamond F2), you can't change the xmin and xmax ???
    Can you change the ymin and ymax ?
    Last edited by Moo; July 16th 2008 at 09:41 AM.
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  3. #3
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    Yes, xmin,xmax,xscl,ymin,ymax,yscl. I can put in values for all of them, but all the way at the bottom xres is bleeped out.

    EDIT: I just found an alternate method to solve that problem, but still, I can't totally set up the window to my liking because the last option, "xres" is all fuzzed out, like when you hit F5 for program and all the other "F"'s are fuzzed out.
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