data _null_;
a=(93**3-164)/(46**3+189);
b=376-(23**2)/4;
c=((59+48**2)/(-9+22**2))-((-16+55**2)/(13+29**2));
d=18**4-16**3+14**2-12;
DO x=0 to 20;  
END;
e=3**x;
do y=0 to 10;
end;
f=5**y;
put a b c d e f;
run;

filname lhur url 'https://webpages.uidaho.edu/~renaes/Data/Lake.csv';
data huron;
infile lhur dsd missover firstobs=2;
input lake time;
run;
proc print data=huron; *not asked for;
run;
proc sgplot data=huron;
scatter x=time y=lake;
proc sgplot data=huron;
series x=time y=lake;
proc sgplot data=huron;
scatter x=time y=lake;
series x=time y=lake;
run;