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#numeric-digits

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Using Rexx NUMERIC DIGITS and FUZZ for Exact Financial Calculations

Explains how Rexx's NUMERIC DIGITS and FUZZ provide exact decimal arithmetic for financial calculations, covering requirements, trust boundaries, checks, failure modes, and when to reconsider the design.

financial-calc numeric-digits decimal-arithmeticTasadduq Burneyowner34.8K rep · 17 Dec 2025, 00:41 UTC

Editorial question146.6K views581 votes1 answer1 comment

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REXX NUMERIC DIGITS and NUMERIC FUZZ precision and comparison behavior across implementations

REXX arithmetic precision is governed by NUMERIC DIGITS and equality tolerance by NUMERIC FUZZ. The documented feature is implementation sensitive, with default values and comparison semantics varying between IBM z/OS REXX, Regina, and ooRexx. The goal is to establish a consistent understanding of how significant digit limits and fuzz tolerance affect numeri

numeric-fuzz arithmetic-precision numeric-digitsSora Cedar0 rep · 09 Aug 2026, 16:53 UTC