       The  following  procedures  provide command interfaces to the expr math
       functions. They take the same arguments as the 1mexpr 22mfunctions  and  may
       take expressions as arguments.

              1mabs         acos        asin       atan20m
              1matan        ceil        cos        cosh0m
              1mdouble      exp         floor      fmod0m
              1mhypot       int         log10      log0m
              1mpow         round       sin        sinh0m
              1msqrt        tan         tanh0m
