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Calcudoku puzzles

My database includes 4597 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 9. 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.

2293874 puzzles downloaded.

280*
42*
180*
4*
48*
6
12*
12*
576*
252*
30*
1134*
80*
54*
8*
9
14*
360*
72*
840*
336*
12*
126*
90*
108*
240*
56*
10*
Showing puzzle number: 3556
Puzzletype: Multiply
Startnumbers: 81
Difficulty: Medium ()
Solution methods: SC SPC SMC SSB SSL ROP RP RSNA
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