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AgentRXI Calculator
x402
AgentRXI Calculator is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).
Evaluates math expressions, converts units across 11 dimensions, and performs date arithmetic including business-day calculations
Price / call$0.002
Success—
StatusUnknown
How this service works
Exact calculator for agents: math expressions (functions, powers, factorials), unit conversion (length, mass, volume, area, time, speed, data, energy, pressure, power, temperature) and date arithmetic (add, diff with business days, weekday). Also callable as GET with the same fields as query parameters.
Output
Returns a computed numeric result for math expressions, a converted value with units for unit conversions, or a resulting date/count/weekday name for date arithmetic operations
Example use cases
Math expression evaluation for engineering
“Can you calculate the result of sqrt(9.81 * 2 * 45) for me — it's for a physics calculation?”
Unit conversion for recipe scaling
“Convert 2.5 cups to milliliters so I can follow a European recipe.”
Business days between project dates
“How many business days are there between March 3 2025 and April 18 2025? I need to plan a delivery schedule.”
Technical details
Endpoint
GEThttps://agentrxi.com/v1/calc?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs exact, deterministic arithmetic results rather than LLM approximations — especially for unit conversions, factorial/power calculations, or precise date arithmetic with business-day awareness. Prefer over asking the LLM directly when precision and reproducibility matter.
Side effects
- Invalid or malformed math expression returns an error
- Unrecognized or incompatible unit pair (e.g. length to mass) returns an error
- Missing required query parameters returns a validation error
- Date in wrong format causes a parsing failure
- Division by zero in expression causes computation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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