I’m speaking at the MAA Epadel Conference (March 29, near Harrisburg, PA), and to celebrate, I made two logic puzzles. Rules are on the puzzles. Solutions, more info, and PDF versions are on my blog: quadratablog.blogspot.com/2025/03/epad...

#MAAEpadel #Maths #Math #Sudoku #Puzzle #Puzzles #MAA

Much thanks to all the people from WPU's Marketing and Public Relations team that helped promote my latest book!

www.instagram.com/p/DDzYFnkqGv...

#mathsky #math #maths #puzzle #puzzles #books #grouptheory

Happy New Year again! Here's a mini 3x3 square to help explain the ruleset for the sudoku I just posted. See if you can see why the solution is unique before trying the main puzzle.

For the full puzzle and more, visit quadratablog.blogspot.com/2025/01/happ... #mathsky #sudoku #puzzle #math

Happy New Year! I'm starting 2025 off with a sudoku puzzle based around clues involving the numbers 2, 5, and 25. For more information, a PDF version, and the solution, visit quadratablog.blogspot.com/2025/01/happ... #sudoku #puzzle #math #barinteaser #mtbos #maths #NewYear2025 #NewYear #mathsky

As 2024 is coming to a close, this is truly my last chance to share this puzzle. I created it a year ago but forgot to post it, so here it is now. My 2025 New Year's puzzle is coming soon!

The solution and a PDF version of this puzzle can be found here: quadratablog.blogspot.com/2024/12/last...

Happy holidays, everyone! Here's my latest snowflake puzzle, with instructions on the image. Solution, PDF version, and more info at: quadratablog.blogspot.com/2024/12/snow... #mathsky #math #puzzle

I’m excited to share that my latest book is officially out now!
This unique book of mathematical puzzles also serves as an introduction to Group Theory. No prior background is needed, as all necessary mathematical concept are explained within the book.
www.jdoqocy.com/click-101294...

Here is a sudoku I made for the Fall MAA NJ-Section meeting last weekend, and now I want to share it here. The instructions explain everything needed but more details, a PDF, and the solution are on my blog at: quadratablog.blogspot.com/2024/11/maa-.... #math #puzzles #sudoku #maths #puzzle