Java Math.pow() Rounding Error

Question

I\'m having trouble with (what I suspect is) a rounding error.

I have a string, 0.686357E-01, which I\'m trying to convert to a double. I\'ve been able to s

Answer 1

0.0686357 is not exactly representable as a double-precision value.

Two solutions:

• Use e.g. BigDecimal.
• Limit the displayed precision to a certain number of significant figures when converting back to human-readable.