1BEGIN {
2 pi = 3.1415927
3 printf "cos(%f) = %f\n", pi/4, cos(pi/4)
4 printf "sin(%f) = %f\n", pi/4, sin(pi/4)
5 e = exp(1)
6 printf "e = %f\n", e
7 printf "log(e) = %f\n", log(e)
8 printf "sqrt(pi ^ 2) = %f\n", sqrt(pi ^ 2)
9 printf "atan2(1, 1) = %f\n", atan2(1, 1)
10}
11