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Calcudoku puzzles

My database includes 18223 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 8. Each box must also be calculated according to number and operator. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

461975 puzzles downloaded.

6+
12+
21+
12*
28*
13+
1152*
16*
24*
10+
10*
168*
11+
8*
4
12+
4+
24+
90*
21*
9+
12+
8+
13+
7*
Showing puzzle number: 1721
Puzzletype: Plus,Multiply
Startnumbers: 64
Difficulty: Medium ()
Solution methods: SC SPC SMC SSB SSL ROP RP RSNA
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