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hp15c



#3

I'm stuck in ca., and my manual is in Va.. I have small c in the lower right side of my display. Don't know how it got there, and don't know how to remove it.

Need help.


#4

I believe G (blue) 5 (go flag) 8 will clear complex setting (c in the annuciator), but I could also be mistaken since I haven't used my 15c in years. A reset will also work (remove batteries).


#5

Thank you Ron, We love you--wife, daughter, and I have tried. It worked!

God Bless

#6

Hi, Herbert;

this small C means Complex Mode active. If you press [f][I] or [f][Re<>Im], it is activated and so the C annunciator. Maybe it happened and you did not notice.

As Rn Ross mentioned, you can deactivate it with the sequence:

[g] [CF] 8 ([CF] is the blue inscription for the [5] key)

If you leave it there, you'll get automatic complex results for operations where real results do not apply, like:

          _
2 [CHS] [Vx] (square root)

You'll not get [Error 0] message if your HP15C is in complex mode (small C on), instead a zero (real part) in the display. To see the imaginary part, you press (and hold for as long as you want to):

[f] [(i)]

Hope this adds a bit more of information.

Best regards.

Luiz (Brazil)


Edited: 29 Dec 2003, 9:37 p.m.


#7

Thanks for the extra info, Luiz. I am discovering how how much "HP" guys stick together.


#8

...where we all feel home! No matter where you come from, if you contribute positively, you're amongst friends, here. Better, you're "home"! Thanks to Dave!

I love this "e-house"! After about five months "out of the business", I'm trying to return and fit in.

Thanks!

Luiz (Brazil)


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