• Validated by research: http://imagiration.com/science • All math exercises are completely FREE • No ads. Math & Logic is a completely safe environment for children - there is no advertising or ability for an external party to contact your child. • No setup or registration needed • No Wi-Fi necessary to play • Unique interface that discourages children to use trial-and-error • Scientifically proven to improve performance in children with learning disabilities: https://goo.gl/3rpLRn • Protected