to view the math menu. Choose option ACalc to view the Calculation options.
9. secant
10. cosecant
11. cotangent
12. inverse secant
13. inverse cosecant
14. inverse cotangent
15. hyperbolic sine
16. hyperbolic cosine
17. hyperbolic tangent
18. inverse hyperbolic sine
19. inverse hyperbolic cosine
20. inverse hyperbolic tangent