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Re: gives 919.8359999999999?`

  • To: mathgroup at smc.vnet.net
  • Subject: [mg132109] Re: gives 919.8359999999999?`
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Sun, 8 Dec 2013 04:33:58 -0500 (EST)
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Then perhaps the original question should have been to reconcile:

       FullForm[916.536 + 3.3]
   919.8359999999999`
      
       NumberForm[916.536 + 3.3, 15]
  919.836


On Dec 6, 2013, at 2:16 AM, Sseziwa Mukasa <mukasa at gmail.com> wrote:

> Because by default non-integer values are stored as machine precision values and the values displayed are typically displayed up to 5 decimal places but FullForm displays a more accurate representation of the actual machine precision value.
>
> On Dec 5, 2013, at 3:05 AM, Guillermo Sanchez <guillermo.sanchez at hotmail.com> wrote:
>
>> FullForm[916.536 + 3.3] gives 919.8359999999999 instead of 919.836?
>>
>> Guillermo
>>
>
>

---
Murray Eisenberg                                    
murray at math.umass.edu
Mathematics & Statistics Dept.      
Lederle Graduate Research Tower           
University of Massachusetts 
710 North Pleasant Street  
Amherst, MA 01003-9305








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