Posted on February 28, 2014 at 12:07I set a floating-point (*data) , (*data) = (*data)/(pow(10,Strlen-3-DotPos)),(*data)=1234,pow(10,Strlen-3-DotPos)=100, the result was 12.33999 how did that happen? And I want to get an aprecise result 12.34.  How ...