Mr. Calculator is able to help you to do various mathematical operations just by talking to it. Currently it supports following calculations and operations: 1. Addition 2. Subtraction 3. Multiplication 4. Division 5. Sine 6. Cosine 7. Tangent 8. Arc sine 9. Arc cosine 10. Arc tangent 11. Square Root 12. Square 14. Exponential 16. Log 17. Round 18. Absolute It is the small talking scientific calculator hope you will enjoy it. Thanks!