[ubuntu-mono] [Bug 654742] Re: Gross mistake about palindromic years

[Jordi Mas]

Hello Daniel,

I will not classify this error as 'gross', mainly because:

* The sentence says "usually", it is not saying that this arithmetic applies to all years. 
* This sentence is part of the explanation of why the answer is valid, then it has no impact on the user (still accepting valid answers and making a valid question).

However, a game that demands precisions to players should obviously
precise when making questions and explaining the solution of puzzles.

A more precise explanation will be:

"From year 1.000 to year 10.000, palindrome years occur at 110 year
intervals except for the end of each millennium that occur at a 11 years
interval."

If you agree this change, I will applied and it will be ready for next
version. If not a more precise version is welcomed.

Thanks,

Jordi,

-- 
Gross mistake about palindromic years
https://bugs.launchpad.net/bugs/654742
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Status in “gbrainy” package in Ubuntu: New

Bug description:
Binary package hint: gbrainy

games.xml.h includes the answer:

Palindrome years occur usually at 110 year intervals except for the end of each millennium that occur at a 11 years interval.

This is grossly false.  Palindromic years occur at 11 year intervals at the *beginning* of the calendar (11, 22, 33...99), then at 10 year intervals (101, 111, 121...191, 202...292...909...999), then at 110 year intervals for the next nine millennia (1001, 1111, 1221...), then at 100 year intervals (10001, 10101, 10201... interleaved with 11011, 11111, 11211..., etc.) for the next ninety millennia.  Nothing special occurs at the end of each (of the first ten) millennia.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gbrainy 1.41-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic x86_64
Architecture: amd64
Date: Mon Oct  4 14:19:31 2010
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
PackageArchitecture: all
ProcEnviron:
 LANG=fr_CA.utf8
 SHELL=/bin/bash
SourcePackage: gbrainy