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minia2a Significant Digits Calculator
x402
minia2a Significant Digits Calculator is a paid API for AI agents from minia2a.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-16).
Returns the count of significant digits (significant figures) in a given numeric input
Price / call$0.01
Success—
StatusUnknown
How this service works
Significant Digits
Output
Returns the number of significant digits (significant figures) present in the provided numeric input, useful for verifying scientific precision and rounding rules.
Example use cases
Significant figures for lab measurement
“I have a measurement of 0.002300 grams from a lab scale — how many significant figures does that number have?”
Sig figs check for physics problem
“Can you count the significant digits in 1.0400 × 10^3 for me? I'm working through a physics problem and need to match precision.”
Validate student answer sig figs
“My student wrote 45.60 as their answer — how many significant digits is that, and does it correctly represent 4 sig figs?”
Technical details
Endpoint
GEThttps://minia2a.uk/x402/significantDigits?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a programmatic, pay-per-call computation of significant figures for a number, especially in automated science, education, or data validation pipelines where precision matters. Prefer over manual calculation when processing many numeric values or when integrating into an agent workflow.
Side effects
- Missing or malformed 'input' query parameter returns an error
- Non-numeric string input may return an unexpected result or error
- Very large or very small numbers in unusual formats may not parse correctly
- Network or payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true
}
}Tags
x402
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