Company HeyMath! created these great apps:
Singapore Math Trail, Factorama, Grapher Tool, Cumulative Frequency Tool, Nine Magic Tiles, GCE Exam Prep - Maths, NSC Exam Prep - Maths, NSC Exam Prep - Phy. Sciences, My HeyMath!, HeyMath Prism, Bridge Course for Algebra, Teacher Dashboard, HeyMath! Fusion - for Parents, NSC Experiments, and others..
