Addition of Double values inconsistent

Question

I came across following issue while developing some engineering rule value engine using eval(...) implementation.

    Dim first As Double = 1.1
    Dim secon         


        

Answer 1

In C#, Java, Python, and many other languages, decimals/floats are not perfect. Because of the way they are represented (using multipliers and exponents), they often have inaccuracies. See http://www.yoda.arachsys.com/csharp/decimal.html for more info.