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fx-991CE X: e^i*pi=error

complex numbers fx-911CE X error

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#1 Ca510

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Posted 17 August 2021 - 10:46 PM

Hi everyone!

 

I go to :MENU: :2: (complex mode).

 

I input this: ei*pi=

 

I get an error message.

 

The result should be -1.

 

What am I doing wrong?

 

Thanks for your help in advance!



#2 pan.gejt

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Posted 18 August 2021 - 05:41 PM

This calc can't handle such type of calculations.



#3 ijabbott63

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Posted 10 September 2021 - 10:11 AM

The Casio graphing calculators can do them, but even those are lacking some functionality such as complex trig functions.







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