博客來Due to popular demand there is now a 3rd volume of the ＂Calcudoku, Advanced Puzzles’＂ series. If you’re looking for the most challenging Calcudoku puzzles, then look no further (even a few easy ones have been thrown in: -).
Included are: puzzles using zero, negative numbers, modulo and exponentiation operators, puzzles without operators (called no-op’’ or mystery’’ Calcudoku), twin puzzles, and many extra large puzzles (10x10 to 15x15), and even one 17x17 puzzle!
This voume III has 121 completely new puzzles, explanations for the various puzzle variations, solving strategies, and all solutions.
You can submit puzzle solutions online at www.calcudoku.org and score points for each correct solution.
