Tiwari Academy NCERT Solutions Class 9 Maths in English offline is an educational app designed for students who want to study Mathematics in English. The app contains solutions for 12 chapters based on theCBSE syllabus. The chapters included are Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Introduction to Euclid’s Geometry, Lines and Angles, Triangles, Quadrilaterals, Circles, Heron’s Formula, Surface Areas and Volumes, and Statistics.

The app is free to use and is suitable for offline use. The solutions are based on the rationalized NCERT textbook issued for the academic sessionThe app is modified and revised according to the updated syllabus for board examsThe app also offers other study materials and sample papers which can be downloaded in PDF format from the developer's website. It's worth noting that the app only contains the chapters that are in the syllabus, and the remaining three chapters have been removed from the NCERT textbook published for the new sessionFor any inconvenience, users can contact the developer for help.