Back to calculator Use calculator
Finance & LoansGenerated accuracy model review: 2026-05-06
Currency Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Converted Amount = Amount * Rate. For example, if you have $100 and the rate is 0.92, you get 92 Euros.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Starting Amount: 100 A
- Exchange Rate: 0.92
Expected outputs
- Converted Amount: 92 B
Known limitations
- Does not fetch live market data. You must provide the rate.
Assumptions
- Inputs are interpreted exactly as entered in the calculator form.
- The calculation runs locally in the browser using the current checked-in calculator definition.
Unit handling
- Starting Amount accepts values in A.
- Exchange Rate accepts numeric values.
- Converted Amount is displayed in B.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current currency-converter calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Currency Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.