NUMVAL _ _ _ _ _ _ _ _ _ _ _ _ switch

With rounded on, elementary functions with numerical argume nts will return a numerical answer where appropriate. If you wish to inhibit this evaluation, numval should be turned off. It is normally on.

examples:

on rounded; 

cos 3.4; 

  - 0.966798192579 


off numval; 

cos 3.4; 

  COS(3.4)