The meaning of the symbols has to be found out by the solvers; they have the same meaning throughout the grid and are every time the same difference or the same dividing result.
When there is no symbol between two cells, none of the constraints is true.
Solution code: Row 4, followed by column 8
on 9. January 2024, 17:33 by damasosos92
Tricky and very cool one!
on 4. December 2022, 01:52 by Nick Smirnov
Penpa:
https://tinyurl.com/2l724k6a
on 16. May 2022, 19:08 by Crul
f-puzzles link: https://f-puzzles.com/?id=y5868p37
Nice tricky one :). I enjoyed it, thanks!
on 15. July 2014, 18:22 by AnnaTh
It took me years to solve this puzzle ....
on 14. November 2009, 21:55 by pin7guin
Einfach klasse! Danke, Richard!
on 13. November 2009, 17:20 by Statistica
Super ;-) THX to Richard!
on 13. November 2009, 16:19 by ibag
Great! ;-D
on 13. November 2009, 15:50 by zuzanina
Wie immer: Sehr schönes Rätsel, Richard! Danke!
on 13. November 2009, 15:49 by Richard
There are no dots missing this time! :-)