% /usr/bin/time sh -c 'echo "scale=2000; 4*a(1)" | bc -l' > /dev/null 1.75 real 1.75 user 0.00 sys % /usr/bin/time sh -c 'echo "scale=2000; e(1)" | bc -l' > /dev/null 3.83 real 3.83 user 0.00 sys