Global Precision & Financial Calculations

TL;DR AI
2 min readKey summary
A single global decimal setting is too blunt for financial software.
Billing, analytics, and internal calculations often need different precision levels.
The article recommends passing precision per domain instead of relying on one default.
Keep full precision during computation and round only at the final output stage.
This helps avoid customer-visible errors and hard-to-debug rounding issues.

