3 Services from x402.laboiteatubes.media

Computes the great-circle (orthodromic) distance between two geographic coordinates using the Haversine formula on a spherical Earth model, returning distance in km, m, and nautical miles, initial bearing, central angle, and a verifiable SHA-256 proof.

Converts a numeric value from one physical unit to another (length, mass, volume, temperature) and returns the result with its formula, exact conversion factor, and a SHA-256 proof fingerprint.

Computes a complete French-style constant-payment loan amortization schedule, including monthly payment, total cost of credit, and a full repayment table, with a SHA-256 proof of the result.