Effective: July 22, 2026
Purpose
USEOYO provides free reference tools for common everyday calculations and decisions.
Limitations
We work for accuracy but cannot guarantee every result. Verify financial, tax, legal, medical or contractual decisions with an official source or qualified professional.
Prohibited use
Do not disrupt the service, send excessive automated requests, copy content or code without permission, or use the service for unlawful purposes.
Changes and contact
Features and terms may change as the service improves or legal requirements evolve. Contact yk.kwon@outlook.com.