Supported by the following organizations
This is to certify that Karen Chang successfully completed and received a passing grade in CS50x: CS50's Introduction to Computer Science a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
David J. Malan
Gordon McKay Professor of the Practice of Computer Science Harvard University
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- Verified Certificate Issued December 15, 2025
- Valid Certificate ID 037492b762ee4ed7b7bc1d024c9b20c0