ROUNDED _ _ _ _ _ _ _ _ _ _ _ _ switch
When rounded is on, floating-point arithmetic is enabled, with precision initially at a system default value, which is usually 12 digits. The precise number can be found by the command precision(0).
pi; PI 35/217; 5 -- 31 on rounded; pi; 3.14159265359 35/217; 0.161 sqrt(3); 1.73205080756
If more than the default number of decimal places are required, use the precision command to set the required number.