Mon Mar 23 16:32:16 2020 

euler_test
  R version 3.4.4 (2018-03-15) 
  euler uses the Euler method to solve an ordinary differential equation.

  f(x,y) = y/(2*x+1)

    x        y
1 0.0 1.000000
2 0.2 1.200000
3 0.4 1.371429
4 0.6 1.523810
5 0.8 1.662338
6 1.0 1.790210

euler_test
  Normal end of execution.
Mon Mar 23 16:32:16 2020