Cubic Root of a number

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Darren
Posts: 63
Joined: Wed May 11, 2011 11:55 am

Cubic Root of a number

Post: # 846Post Darren
Thu Mar 08, 2012 3:00 pm

Can anybody tell me how to do a cubic root of a number using FnxBasic?

Many thanks in advance!!!

Marco
Site Admin
Posts: 246
Joined: Sat Sep 15, 2018 8:41 pm

Cubic Root of a number

Post: # 847Post Marco
Thu Mar 08, 2012 5:00 pm

cubic root of 64 can be this:

root=exp(log(64)/3)

this should be precise about a lot of decimals if not let me know.
you need a little program that is called the newton method.

best regards marco

Giovanni Di Maria
Posts: 8
Joined: Tue Feb 01, 2011 8:57 pm

Cubic Root of a number

Post: # 848Post Giovanni Di Maria
Sat May 12, 2012 12:08 pm

Hi
cubic root of 1000 can be this:
You can use also this formula:
root=1000^(1/3)
Giovanni

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