> x: 5^100 represents 5 and 100 using an inexact representation, > then computes an approximate result, then converts the > approximate result into an inexact representation.
Sorry, typo: ..., then converts the approximate result into an exact representation. ----- Original Message ----- From: Roger Hui <[EMAIL PROTECTED]> Date: Friday, September 26, 2008 14:01 Subject: Re: [Jprogramming] Difference between 5^100x and x: 5^100 To: Programming forum <[email protected]> > 5^100x represents 5 using an inexact representation and 100 > using an exact representation, then converts the 5 into an > exact representation, then computes the result exactly. > > x: 5^100 represents 5 and 100 using an inexact representation, > then computes an approximate result, then converts the > approximate result into an inexact representation. > > As a check, you know that the last digit of 5^n for n>0 has > to be 5, so the x:5^100 result can not be the exact result. > (The last 2 digits of 5^n for n>1 have to be 25, etc.) > > > > ----- Original Message ----- > From: Ian Gorse <[EMAIL PROTECTED]> > Date: Friday, September 26, 2008 11:49 > Subject: [Jprogramming] Difference between 5^100x and x: 5^100 > To: [email protected] > > > Hi, > > > > Could someone please explain to me what the difference between > > these two are? > > > > 5^100x > > > 7888609052210118054117285652827862296732064351090230047702789306640625> > x:5^100 > > > 7888609052210119712064517283480620240950194258216478103781304990433280> > > They both return two difference numbers. I was under the impression > > that the x:5^100 was just another representation of performing > 5^100x> > > What is the actual value of 5^100? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
