(*						      *)
(* Numerical Mathematics and Computing, Fifth Edition *)
(* Ward Cheney & David Kincaid		              *)
(* Brooks/Cole Publ. Co.			      *)
(* (c) 2003                                           *)
(* 					              *)
(* File: precision				      *)

Precision[123.56]

Accuracy[1.2345]

$MachinePrecision
$MachineEpsilon
$MaxMachineNumber
$MinMachineNumber

N[Pi, 50]