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Cubic Root of a number

Posted: Thu Mar 08, 2012 3:00 pm
by Darren
Can anybody tell me how to do a cubic root of a number using FnxBasic?

Many thanks in advance!!!

Cubic Root of a number

Posted: Thu Mar 08, 2012 5:00 pm
by Marco
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

Cubic Root of a number

Posted: Sat May 12, 2012 12:08 pm
by Giovanni Di Maria
Hi
cubic root of 1000 can be this:
You can use also this formula:
root=1000^(1/3)
Giovanni