Microsoft Hack-a-thon for Girls 13-18 Years Old Microsoft Hack-a-thon for Girls 13-18 Years Old N/A September 21, 2019 Read more View full calendar By MathSP|2026-01-22T12:30:27-05:00January 22nd, 2026|Comments Off on Microsoft Hack-a-thon for Girls 13-18 Years Old