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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.

2301070 puzzles downloaded.

42*
8*
36*
16*
105*
6*
5
53760*
54*
40*
1176*
216*
135*
648*
96*
9*
720*
280*
105*
24*
336*
4*
27*
48*
72*
14*
10*
9*
Showing puzzle number: 4154
Puzzletype: Multiply
Startnumbers: 81
Difficulty: Difficult ()
Solution methods: SC SPC SMC SSB SSL ROP RP RCPL RSNA DC
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