• Topics
  • describe your solver

    Last post by marcov   » Mon Mar 27, 2023 10:23 pm

    by pnm   » Wed Sep 21, 2011 12:37 pm

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    by marcov   Mon Mar 27, 2023 10:23 pm
  • Full tables: "mod function" and "bitwise OR" (in the 8x8's)

    Last post by jpoos   » Tue Jan 26, 2021 12:40 am

    by clm   » Sat Oct 15, 2011 12:55 am

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    by jpoos   Tue Jan 26, 2021 12:40 am
  • how to include a picture of a puzzle

    Last post by pnm   » Sat Jun 18, 2011 2:40 pm

    by pnm   » Sat Jun 18, 2011 2:40 pm

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    by pnm   Sat Jun 18, 2011 2:40 pm
  • AIC

    Last post by billa   » Sun Jul 27, 2025 1:44 pm

    by billa   » Sun Jul 27, 2025 1:44 pm

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    by billa   Sun Jul 27, 2025 1:44 pm
  • Entering answer from large printed puzzle

    Last post by eclipsegirl   » Thu May 29, 2025 12:36 pm

    by mikas   » Wed Mar 26, 2025 10:31 pm

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    by eclipsegirl   Thu May 29, 2025 12:36 pm
  • Calcudoku explained in 1 minute

    Last post by pnm   » Fri Nov 22, 2024 6:19 pm

    by pnm   » Thu Nov 21, 2024 2:47 pm

    6

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    by pnm   Fri Nov 22, 2024 6:19 pm
  • -7 to +7 combo tables

    Last post by skeeter84   » Sun Aug 13, 2023 11:21 pm

    by skeeter84   » Sat Aug 12, 2023 4:57 am

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    by skeeter84   Sun Aug 13, 2023 11:21 pm
  • Check out Wombat992 on Youtube for solving tips!

    Last post by pnm   » Tue Oct 25, 2022 11:23 pm

    by peteski   » Tue Oct 25, 2022 11:15 pm

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    by pnm   Tue Oct 25, 2022 11:23 pm
  • Exponentiation operator

    Last post by paulv66   » Sun Sep 25, 2022 1:33 pm

    by guidocram   » Sat Sep 24, 2022 12:35 am

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    by paulv66   Sun Sep 25, 2022 1:33 pm
  • 25x25 puzzle factor tables

    Last post by skeeter84   » Thu Dec 02, 2021 10:50 pm

    by skeeter84   » Thu Dec 02, 2021 5:33 am

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    by skeeter84   Thu Dec 02, 2021 10:50 pm
  • question about python solver

    Last post by pnm   » Fri Apr 30, 2021 11:03 am

    by pnm   » Fri Apr 30, 2021 11:03 am

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    by pnm   Fri Apr 30, 2021 11:03 am
  • 8x8 with 'mod' on youtube

    Last post by paulv66   » Sun Mar 28, 2021 4:05 pm

    by michaele   » Sun Mar 28, 2021 5:11 am

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    by paulv66   Sun Mar 28, 2021 4:05 pm
  • Killer Sudoku on youtube

    Last post by paulv66   » Wed Mar 24, 2021 11:30 am

    by michaele   » Thu Mar 18, 2021 11:13 am

    2

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    27108

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    by paulv66   Wed Mar 24, 2021 11:30 am
  • Killer Sudoku solving strategy on Youtube

    Last post by michaele   » Fri Jan 29, 2021 10:54 pm

    by michaele   » Tue Jan 26, 2021 11:27 am

    6

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    by michaele   Fri Jan 29, 2021 10:54 pm
  • a video of solving some "normal" puzzles

    Last post by pnm   » Mon Dec 21, 2020 10:26 pm

    by pnm   » Mon Dec 21, 2020 10:26 pm

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    by pnm   Mon Dec 21, 2020 10:26 pm
  • How to attach images here?

    Last post by cjsidharth   » Tue Nov 17, 2020 8:33 pm

    by cjsidharth   » Tue Nov 17, 2020 8:14 pm

    2

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    by cjsidharth   Tue Nov 17, 2020 8:33 pm
  • -1 to +4 puzzle

    Last post by michaele   » Sun Jul 19, 2020 11:48 am

    by beaker   » Fri Dec 06, 2019 12:25 am

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    by michaele   Sun Jul 19, 2020 11:48 am
  • Step by step solution of a difficult 8x8 mod function puzzle

    Last post by tusky   » Fri Jul 03, 2020 11:39 pm

    by clm   » Mon Jun 29, 2020 8:45 pm

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    by tusky   Fri Jul 03, 2020 11:39 pm
  • -4 to 4 puzzle combos

    Last post by fzpowerman47   » Thu May 14, 2020 5:17 pm

    by skeeter84   » Sat Feb 08, 2020 11:01 pm

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    by fzpowerman47   Thu May 14, 2020 5:17 pm
  • How to solve this type of puzzle (Tuesday 9

    Last post by pnm   » Mon Jul 15, 2019 3:37 pm

    by gunatmananda   » Tue Jul 02, 2019 2:39 am

    6

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    by pnm   Mon Jul 15, 2019 3:37 pm
  • Bitwise OR' |

    Last post by kozibrada   » Sun May 12, 2019 8:22 pm

    by taburona82   » Tue Mar 04, 2014 3:27 am

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    by kozibrada   Sun May 12, 2019 8:22 pm
  • mod and negative numbers

    Last post by paulv66   » Sat Sep 29, 2018 9:37 pm

    by paulv66   » Wed Aug 08, 2018 8:03 pm

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    by paulv66   Sat Sep 29, 2018 9:37 pm
  • XOR tables with zeroes

    Last post by skeeter84   » Tue Aug 28, 2018 6:02 am

    by skeeter84   » Tue Aug 28, 2018 6:02 am

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    by skeeter84   Tue Aug 28, 2018 6:02 am
  • Bitwise AND combination tables - now with zeroes!

    Last post by skeeter84   » Sun Jun 10, 2018 4:01 pm

    by skeeter84   » Sun Jun 10, 2018 4:01 pm

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    by skeeter84   Sun Jun 10, 2018 4:01 pm
  • no-op puzzle - is this reasoning correct? - newbie alert

    Last post by beaker   » Sun Mar 11, 2018 7:55 pm

    by bogie2820   » Sat Mar 10, 2018 9:18 am

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    by beaker   Sun Mar 11, 2018 7:55 pm