floating point problem

[gunn]

Hi everyone,

Dim a as Double = 292452.13
Dim b as Double = 36556.52
Dim c as Double = a - b

The value for variable c is 255895.61000000002. It is suppose to be 255895.61. How can this simple substraction can be wrong? Can anyone help me? Is that because of my computer setting?

Please help me... URGENT

Thank you very much

Andy