diff --git a/divided_diff.m b/divided_diff.m
deleted file mode 100644
index 8c10f0b..0000000
--- a/divided_diff.m
+++ /dev/null
@@ -1,20 +0,0 @@
-x = 1.8;
-X = [1.7 1.9 2 2.1 2.3];
-f = @(x) e.^x;
-function solution = divided_diff(x, X, f)
-	Sigma = 0;
-	for j = [1:length(X)]
-		w = 1;
-
-		for k = [1:length(X)]
-			if(j != k)
-			w = w * ( X(j) - X(k) );
-			endif
-		endfor
-
-		Sigma = Sigma + ( f(j) / w );
-	endfor
-	solution = Sigma;
-endfunction
-balls = divided_diff(x,X,f)
-
diff --git a/newton.m b/newton.m
deleted file mode 100644
index c9c52a8..0000000
--- a/newton.m
+++ /dev/null
@@ -1,25 +0,0 @@
-clc
-clear
-%b = [4;9;2];
-%A = [3 4 5; 1 3 1; 3 5 9;]; % must be ; in here
-%x = A \ b %% balls
-function line_equation = line_func(x)
-  line_equation = 3 * x^2 - e()^x
-endfunction
-
-function root = newton_method(a, b, e)
-  c = (a + b) / 2
-  if( abs(line_func(c)) <= e)
-    printf("root found!")
-    root = c
-    return
-  endif
-
-  if(line_func(c) < 0)
-    newton_method(c,b,e)
-  else
-    newton_method(a,c,e)
-  endif
-endfunction
-
- newton_method(0,1,10^-10)