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|2025-05-15T08:49:07-04:00May 15th, 2025|Comments Off on Microsoft Hack-a-thon for Girls 13-18 Years Old