Category Archives: Puzzles

Cryptarithmetic Puzzle #60 — PI – e

Is it true? Is \(\pi – e\) irrational? Or is it rational?

Were you able to figure out yesterday’s puzzle?

And here’s today’s puzzle! Leave a comment if you’ve solved it! Scroll down further if you want a hint [spoiler free].


PI - E  = R - Q

Want a hint?