About

A pretend café register for practicing the money math of a real order, free for any class to use.

From teacher.dev

Calculation Cafe is a project from teacher.dev, a community of builders making free tools for classrooms. Learn more about who we are and what else we're building at teacher.dev.

The teacher.dev community in 2026 — EdTech-a-thon 2026

Our promise

Zero paywalls.
Zero ads.
Zero tracking of personal data.

Feedback & ideas

We'd love to hear from you. Tell us what's working, what's not, or pitch us an idea for a tool you wish existed. We're here to help.

Email support@teacher.dev