6 Feb 2016
Easy:
4×4
6×6
Sudoku
Medium:
4×4
6×6
8×8
Sudoku
Difficult:
4×4
6×6
8×8
9×9
Killer
Extra
8 × 8 User Puzzle, Rating: ★★★      Solved 195 times
This is a User Created Puzzle, today created by: skeeter84
Description: I enjoy the 7x7 many op puzzles on Mondays, so I decided to make an 8x8 many op puzzle of my own. Enjoy and I hope you guys like it!  Points: 8
abcdefgh
1
8
2 :

70×

4-
2
7+
12+

10+

3

30×

7 mod

12+

4

8
0-

3
4

5
105×
3|
5+

6 mod

2187^

6

2-

19+

7

7|

4

14×
8
6|

24×

1 mod

Note: this puzzle also uses the modulo operator mod
a mod b = r means that when dividing a by b, the remainder is r. For example, 5 mod 2 = 1, and 3 mod 5 = 3.
Look here for some more explanations.

Note: this puzzle also uses the bitwise OR operator |
(see for example this page or this forum page for an explanation)

Note: this puzzle also uses the exponentiation operator ^
Example: 2^3 = 2 x 2 x 2 = 8
Or, with three digits: 2^4^2 = 2^(4^2) = 2^16 = 65536
Note: evaluation is right to left

total
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