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Bug introduced in 10.0 and fixed in 10.4

A curiosity really, but why do I get garbage here?

TextString@NumberForm[3 10^23, 24]

300000000000000008388608.

And why does the output even have a decimal point?

Even more strange if we do this sequentially we get the expected result.

 NumberForm[3 10^23, 24]

300000000000000000000000

 TextString[%]

300000000000000000000000

This shows up in StringTemplate as well since TextString is the default InsertionFunction

V 10.1 / windows 7 64 bit and linux same issue.

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  • $\begingroup$ I cannot reproduce your problem (either 10.4.1 for Mac OS X x86 (64-bit) (April 11, 2016) or 11.1.1 for Mac OS X x86 (64-bit) (April 18, 2017)). What version and OS are you using? $\endgroup$
    – Bob Hanlon
    Apr 27, 2017 at 15:31
  • $\begingroup$ v 10.1 / windows. $\endgroup$
    – george2079
    Apr 27, 2017 at 15:32
  • $\begingroup$ Is your Windows 32-bit or 64-bit? You will need someone with the same OS to verify. $\endgroup$
    – Bob Hanlon
    Apr 27, 2017 at 15:38
  • $\begingroup$ I cannot reproduce your question. $\endgroup$
    – yode
    Apr 27, 2017 at 15:39
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    $\begingroup$ Versions 10.4.0 through 11.1.0 give the correct result on 64-bit Linux; however, versions 10.2.0 and 10.3.1 show the same error. $\endgroup$
    – KennyColnago
    Apr 27, 2017 at 15:43

1 Answer 1

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As mentioned in the comments, this bug has been fixed as of version 10.4.0.

TextString@NumberForm[3 10^23, 24]

(* "300000000000000000000000" *)
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