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Contact
Contact entry
A welcoming mascot works best on the contact page
This keeps the page approachable for bug reports, content corrections, and partnership inquiries.
For calculator corrections, broken links, source updates, or general website inquiries, contact wucj1688@gmail.com.
Public contact email: wucj1688@gmail.com
Use this address for formula corrections, broken links, source updates, or partnership/contact requests.
Last updated: August 13, 2026 (mascot contact entry added; see homepage FAQ for common questions)