CTAN Update: longdivision

CTAN Announcements ctan-ann at ctan.org
Tue Feb 7 20:33:42 CET 2017


Hood Chatham submitted an update to the

                longdivision

package.

Version:  1.0  2017-02-05
License:  lppl

Summary description:  Long division arithmetic problems

Announcement text:
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 Does long division. The dividend must be a positive decimal number
 and the divisor must be a positive integer. Correctly handles repeating
 decimals, putting a bar over the repeated part of the decimal. Handles
 dividends up to 20 digits long gracefully (though the typeset result
 will take up about a page) and dividends between 20 and 60 digits long
 slightly less gracefully.

 Defines macros \longdivision and \intlongdivision. Each takes two arguments,
 a dividend and a divisor. \longdivision keeps dividing until the remainder
 is zero, or it encounters a repeated remainder. \intlongdivision stops when
 the dividend stops (though the dividend doesn't have to be an integer).

 \longdivision also has an optional argument "max_extra_digits".
 If max_extra_digits is 0, the behavior is like \intlongdivision,
 whereas if max_extra_digits is greater than 60, the behavior is
 the same as \longdivision without the optional argument.
 In general, \longdivision won't add more than "max_extra_digits".
 It might be prudent to use this optional argument if you are computing,
 say, 1/97 which has a 96 digit period (\longdivision will stop anyways
 to avoid overfull boxes, but the result might not be ideal).

 \intlongdivision behaves similarly to the \longdiv command defined in
 longdiv.tex, though I think \intlongdivision looks better, and it can
 handle much larger dividends and divisors (the dividend is only
 constrained by the size of the page, and the divisor can be up
 to 8 digits long).

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The package’s Catalogue entry can be viewed at
   http://ctan.org/pkg/longdivision

The package’s files themselves can be inspected at
   http://mirror.ctan.org/macros/latex/contrib/longdivision/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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