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Oct24-10, 05:17 PM
P: 14
Quote Quote by tiny-tim View Post
(there is no need to pm anyone, anyone who answers a thread automatically gets email notification of any new posts)
Ok sorry about that

1 -0.8
0 0.8
What if you do 3rd row - 4th row, replacing 4th row. Then you get
1 -0.8
0 -0.8