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Topic: cube root of a given number
Replies: 112   Last Post: Jan 10, 2013 1:39 PM

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 amzoti Posts: 1,113 Registered: 3/6/07
Re: cube root of a given number
Posted: Jul 14, 2007 7:02 PM

On Jul 14, 3:44 pm, Sheila <sheila_starli...@sbcglobal.net> wrote:
> I would like to obtain this information.

By Hand: http://mathforum.org/library/drmath/view/52605.html

Algorithm: http://mathforum.org/library/drmath/view/52628.html

Mathematica: N[(x)^1/3, 1000]

Example N[2^(1/3),1000]

1.2599210498948731647672106072782283505702514647015079800819751121552996765139\
594837293965624362550941543102560356156652593990240406137372284591103042693552\
469606426166250009774745265654803068671854055186892458725167641993737096950983\
827831613991551293136953661839474634485765703031190958959847411059811629070535\
908164780114735213254847712978802422085820532579725266622026690056656081994715\
628176405060664826773572670419486207621442965694205079319172441480920448232840\
127470321964282081201905714188996459998317503801888689594202055922021154729973\
848802607363697417887792157984675099539630078260959624203483238660139857363433\
909737126527995991969968377913168168154428850279651529278107679714002040605674\
803938561251718357006907984996341976291474044834540269715476228513178020643878\
047649322579052898467085805286258130005429388560720609747223040631357234936458\
406575916916916727060124402896700001069081035313852902700415084232336239889386\
49678219414983802707295717681287900144574622714770234835715190551

Math Source: http://mathworld.wolfram.com/CubeRoot.html

I am not sure which you were looking for - but hope that I understood.

~A

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