Description
Join value and parenthesized uncertainty digits.
Measurement uncertainty notation needs a declared numerical scale, unit and interpretation. Parenthesized digits can refer to the last written places, while a coverage-factor suffix is only a label unless an uncertainty calculation supports it.
Join value and parenthesized uncertainty digits.
When to use this tool
Use Uncertainty Digits Alignment Pair when you need the specified uncertainty-text layout or last-place conversion.
How to use the tool and how it works
- Enter value, uncertaintyDigits, decimals. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read text. Use the output convention below.
Require decimal count 0-100, unsigned uncertainty digits, and signed decimal value text with exactly that many fractional digits. Join value and parenthesized uncertainty digits.1
Parenthesized uncertainty digits refer to the last written places under this notation; the tool only formats supplied text.2
| Input field | Meaning and units | Accepted input |
|---|---|---|
| value | Value under the stated unit, type, and placeholder convention. | Required. Text; maximum UTF-16 length 8192. |
| uncertaintyDigits | Uncertainty Digits | Required. Text; maximum UTF-16 length 8192. |
| decimals | Required written fractional-digit count; no rounding is applied. | Required. Safe integer; minimum 0; maximum 100. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| text | Literal formatted output under the stated grammar and display convention. | Required. Text; maximum UTF-16 length 8192. |
{
"input": {
"value": "12.34",
"uncertaintyDigits": "5",
"decimals": 2
},
"output": {
"text": "12.34(5)"
}
}Limitations and assumptions
- The value is not rounded and the uncertainty is not estimated. Parenthesis interpretation requires a last-place uncertainty convention on the same unit basis.
- 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
Use an appropriate uncertainty analysis and reporting convention for real measurements. Verify units, decimal alignment, uncertainty type and coverage meaning separately from formatting.
References
Similar or alternative tools
- Formatting: Decimal Uncertainty Last Place Label
Append parentheses and return numeric uncertaintyDigits times 10 to the negative fractional-place count.
- Plusminus Uncertainty Unit Sharing
Use (value ± uncertainty) unit when shared, otherwise repeat the unit after each supplied text.