diff --git a/src/07_plot_newton.f90 b/src/07_plot_newton.f90
index 0bac36dc959cf14782ddc3bfbe2f340c7fc7b27a..b0ab76cbd0d56d0ea84a3ea54bda526d81702467 100644
--- a/src/07_plot_newton.f90
+++ b/src/07_plot_newton.f90
@@ -35,10 +35,10 @@ program plot_newton
   ! Generate x-y pairs for the graph
 
   open (112,file='07_plot_newton.data')
-  do i=-40,40
-    x  = .1d0*i
-    fx = x**3+x-10d0
-    write(112,*) x, fx
+  do 
+
+
+  
   end do
   close(112)