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|2021-05-26T14:11:21-04:00April 7th, 2021|Comments Off on Microsoft Hack-a-thon for Girls 13-18 Years Old