1. Professional Calculator 2. Equation Solver 3. Definite Integration 4. Function Solver 5. Linear System Solver 6. Powerful Graph 2D 7. Powerful Graph 3D 8. Powerful Curve Fitting (Regression) 9. Statistics 10. Matrix Operations 11. Interpolation using Cubic Spline 12. Unit Conversion 13. Powerful Periodic Table 14. Powerful Molecular weight calculations 15. Opening files from phone/card memory