realprecision = 38 significant digits
   echo = 1 (on)
? gettime;sum(x=0,50000,x);
? sum(x=1,1000,log(x));
? sum(x=1,25,sum(y=1,100,x/y),0.0);
? sum(x=1,100,sum(y=1,100,x/y,0.0));
? getheap
[6, 62]
? print("Total time spent: ",gettime);
Total time spent: 42
? \q