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Fc-200V Cubic Roots


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#1 Jason Hunter

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Posted 05 December 2015 - 10:58 PM

It says in the manual that's it's able to calculate the cubic root, but the manual references a CTLG-button. I don't have such a button. 

 

Seems simple, but I can't find any way to do it

 

The only root sym­bol I got is a nor­mal one, doing square roots

 
 
 
 
 
 
 
The ac­tual root sym­bol is over the key, so I have to hit shift to get it
 
I can't use shift to get a cubic or whatever root, as I have to hit shift to just get a nor­mal root
 

 

What gives?;)



#2 Viliami

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Posted 06 December 2015 - 10:36 AM

Are you sure you don't have a CTLG button? It's right above the DEL button.

 

Anyway, if there is no built in version you can do it by using the ^ button

 

just use x^(1/3)

where x is the number you want the cube root of.

 

In the IRC chat you said this:

 

so, I can't use shift to get a cubic or whatever root, as I have to hit shift to just get a nor­mal root

 

Are you sure that it's a normal root? The variable root function usually has a small symbol just before the root symbol

Something like this: *√

To find the cubic root of a number (which we'll call x) do this:

3*√x


Edited by Viliami, 06 December 2015 - 10:49 AM.


#3 jhonis

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    okay

Posted 25 May 2016 - 07:08 PM

Nice and great job. Keep it up

Exchange 2016


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