[Discuss] Financial database / balance?

[Richard Pieri]

On Jan 15, 2012, at 1:56 PM, markw at mohawksoft.com wrote:
> 
> You are confusing "display" of a double with "use" of a double.
> 0.36999999999999999556 is numerically, with finite precision less than 15
> decimal places, effectively 0.37.

No, I'm not.  While .369999999 etc. is "effectively" 0.37, it isn't 0.37.  Do an amortization of your IRA with doubles and with arbitrary precision BCD.  You'll get different results, and the doubles math result will be wrong.

Wrong is not good enough for anyone's finances.

--Rich P.