Here I print out the Close & Open, the same value is printed.
Then I print out Close - Open, which shows they're not equal exactly.
12/7/2009 3:31:13 AM C=1.4831 O=1.4831 12/7/2009 3:31:13 AM C-O=-4.44089209850063E-16
Print(Time[0] + " C=" + Close[0] + " O=" + Open[0]); Print(Time[0] + " C-O=" + (Close[0] - Open[0]));
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