//
//Normal random value generate function
//

//Syntax 
//argument 1 is avarage
//argument 2 is Standard deviation
//return     is normal random value

//Example 1
mean=2.0;
std=3.0;

//generate 1000 normal random data 
for(i=1;i<=1000;i++) {
  x=ranstd(mean,std);
  outrec;
}

//inspection by statistic 
static x;

//insepction by standard distribution histgram.
hist x;