Mathy is an application created by SSA Integrated Learning Guidance, containing hundreds of material slides, learning videos and practice questions from kindergarten (pre-math) level to junior high school level.
Mathy material is structured to accommodate the development of Critical Thinking and Problem Solving so that students do not need to memorize many formulas.
Tests and school exams are easy and enjoyable with Mathy.
Whatever curriculum your school uses, it's all here.
Mathy, your friend is studying mathematics!