scale = 20
for (a=1; a<5000; a += 1) r=sqrt(a)
r
for (a=1; a<50000; a += 100) r=sqrt(a)
r
for (a=1; a<500000; a+=1000) r=sqrt(a)
r
for (a=1; a<5000000; a+=10000) r=sqrt(a)
r
quit