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|2016-07-21T15:39:50-04:00July 21st, 2016|Comments Off on Microsoft Hack-a-thon for Girls 13-18 Years Old