| 
            plprec
          ( | setp , | 
| prec ); | 
Sets the number of places after the decimal point in numeric labels.
setp
          (PLINT
            If 
               is equal to 0
            then PLplot automatically determines the number of places to
            use after the decimal point in numeric labels (like those used
            to label axes).  If
            setp
            
               is 1 then
            setp
            
               sets the number
            of places.
          prec
            
prec
          (PLINTThe number of characters to draw after the decimal point in numeric labels.
      Redacted form: plprec(setp, prec)
    
This function is used in example 29.