Grade 9 math software is adapted from the completely free grade 9 textbook math program, helping children to review, achieve good results, learn math better. Types of problems include: - Square root. Cube root - First order function - Coefficients in right triangles - Circle - System of two first order equations with two unknowns - Quadratic equation one hidden - Angle with a circle - Cylindrical - Cone - Spherical ... Terms of use: https://thanhbkap.github.io/M4U-Term-And-Use/ With M4U9, you can learn Math easily and effectively. Happy learning!