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cherry6

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4Â¥2009-09-24 01:44:22
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cherry6

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2Â¥2009-09-23 22:57:24
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cherry6

Ìú³æ (СÓÐÃûÆø)

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3Â¥2009-09-24 00:16:48
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bote

"a" determines the curve position along the y-axis and

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cherry6(½ð±Ò+3,VIP+0):tks a lot! 9-24 08:11
also the orientation of curve opening (upward (a>0) or downward (a<0))

"b" determines the distance between the y axis and the half of the curve (which goes to infinite)
5Â¥2009-09-24 07:41:11
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