alt Hacker NewsDo not throw away any precision in finance/money computation, regardless what/ how you are doing it.
In C# e.g., there is type decimal for those computations.
Do not throw away any precision in finance/money computation, regardless what/ how you are doing it.
In C# e.g., there is type decimal for those computations.
You'll definitely have to throw it away at some point.
The art is in making those points well-defined and rare enough to not cause large discrepancies, but frequent enough to avoid ballooning arbitrary-precision numbers across databases and services that might not be able to handle them.