I recently discovered Phil, an HTML5 crossword puzzle maker (here it is on GitHub). I’ve always wanted to make a crossword puzzle, but it seemed overwhelming. But with Phil, I found it fun and addicting!
So, here is my first creation. It has a mathematical theme. I’ve enjoyed solving crossword puzzles off and on over the years, but I would by no means call myself an aficionado. Thus, I tried my best to write typical crossword-like clues. If anyone would like to offer feedback, post it in the comments below or send me comments by email.
Here’s a printable pdf of the puzzle and a pdf of the solution.

I am printing it out!
Sent from my iPad
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Hi Dave,
This is great! I was able to “complete” it without looking at the answer sheet (although I looked up a lot of stuff on the Internet, for most of the mathematical stuff).
It must have entailed a lot of work!
Love, Dad
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Glad you enjoyed it!
Finished it…with lots of internet search help! Fun!
Sent from my iPad
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Dear Dave,
I loved the crossword! I have been meaning to start writing crosswords, and Phil seems like a better option that the TeX package.
Thanks!
Bret
Thanks! Yes, give it a try. It is fun!