Description
Divide oldAmount by the factor and display the supplied denomination relationship with its source.
Historical money records depend on a denomination system, period, source, and conversion basis. Exact minor-unit arithmetic can preserve a recorded amount, while a supplied conversion factor does not establish purchasing power or a market exchange rate.
Divide oldAmount by the factor and display the supplied denomination relationship with its source.
When to use this tool
Use Brazilian Currency Reform Source Factor when you need to preserve, format, or convert a supplied historical money component under its stated convention.
How to use the tool and how it works
- Enter oldAmount, oldUnitsPerNewUnit, oldUnit, newUnit, source. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read newAmount, factorLabel. Use the output convention below.
Require positive oldUnitsPerNewUnit and nonempty oldUnit, newUnit, and source. Divide oldAmount by the factor and display the supplied denomination relationship with its source.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| oldAmount | Old Amount | Required. Finite number. |
| oldUnitsPerNewUnit | Positive number of old units corresponding to one new unit, as supplied by the source. | Required. Finite number; strictly above 0. |
| oldUnit | Old Unit | Required. Text; maximum UTF-16 length 8192. |
| newUnit | New Unit | Required. Text; maximum UTF-16 length 8192. |
| source | Supplied source label; not independently verified. | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| newAmount | New Amount | Required. Finite number. |
| factorLabel | Factor Label | Required. Text; maximum UTF-16 length 8192. |
{
"input": {
"oldAmount": 1000,
"oldUnitsPerNewUnit": 1000,
"oldUnit": "old unit",
"newUnit": "new unit",
"source": "source record"
},
"output": {
"newAmount": 1,
"factorLabel": "1000 old unit = 1 new unit [source record]"
}
}Limitations and assumptions
- Amounts may be signed; the factor is supplied rather than selected by date, and no exchange valuation, inflation adjustment, or official reform rule is verified.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Consult the original denomination and source record, and retain exact strings when large amounts must remain precise.
References
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