//
//Cumulative normal density function
//


//Syntax  
  prob=qnorm(value);
//argument 1 is value of cumulative normal value <-�� +��>
//return   probability of normal density at argument.

//
//Example
//
prob=qnorm(0.0) -> prob=0.5;
prob=qnorm(99.0) -> prob=1.0;     
prob=qnorm(-99.0) -> prob=0.0;