print linewid
linewid=0.8
print linewid
scale=2.0
print scale
print hotpink
print 17 + linewid*1000;
print sin(scale);
print cos(scale)
print sqrt(17)
print min(5,10)
print max(5,10)

# NB: deliberate sqrt() error in order to test math logic
print sqrt(-11)
