Question about Casio FX-9750GPlus Calculator

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I tried graphing 1/(1+3e^(-2x)) and it said mem error. I tried deleting some stuff on my memory and it still won't graph.

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Hi,
At first, I though that the numbers could be groeing too much for the memory. But if you rewrite the function you see that it is one of the best behaved ones you can get
e^(2x)/(3 +e^(2x))
As x increases the function tends to 1.

The only reason why you are running out of memory may be due to some old graphics that are stored. You should get rid of them, even resetting the RAM if need be.

I understand your frustration at not being able to draw it. To alleviate this frustration, I am enclosing a picture of this function.

I tried graphing 1/(1+3e^(-2x)) and it said mem - 8ceb4a2.jpg

Hope it helps. Thanks for using FixYa.

Posted on Nov 19, 2009

Testimonial: "Thanks...but I figured out that I didn't nee the "^" for my calculator already included it when I pressed the "e"."

  • k24674 Nov 19, 2009

    OOPS! Should read : numbers could be growing too much

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As a general rule, one you get message ... 1:Quit, 2:GOTO press 2 and you will be shown the location where the offending symbol is.

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...with this process you will erase everything....

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