Data commit

Task/Averages-Arithmetic-mean/Pascal/averages-arithmetic-mean-1.pas

@@ -0,0 +1,30 @@
+Program Mean;
+
+  function DoMean(vector: array of double): double;
+  var
+    sum: double;
+    i, len: integer;
+  begin
+    sum := 0;
+    len := length(vector);
+    if len > 0 then
+      begin
+      for i := low(vector) to high(vector) do
+	sum := sum + vector[i];
+      sum := sum / len;
+      end;
+     DoMean := sum;
+  end;
+
+const
+  vector: array [3..8] of double = (3.0, 1.0, 4.0, 1.0, 5.0, 9.0);
+var
+  i: integer;
+begin
+  writeln('Calculating the arithmetic mean of a series of numbers:');
+  write('Numbers: [ ');
+  for i := low(vector) to high(vector) do
+    write (vector[i]:3:1, ' ');
+  writeln (']');
+  writeln('Mean: ', DoMean(vector):10:8);
+end.

Task/Averages-Arithmetic-mean/Pascal/averages-arithmetic-mean-2.pas

@@ -0,0 +1,18 @@
+Program DoMean;
+uses math;
+const
+  vector: array [3..8] of double = (3.0, 1.0, 4.0, 1.0, 5.0, 9.0);
+var
+  i: integer;
+  mean: double;
+begin
+  writeln('Calculating the arithmetic mean of a series of numbers:');
+  write('Numbers: [ ');
+  for i := low(vector) to high(vector) do
+    write (vector[i]:3:1, ' ');
+  writeln (']');
+  mean := 0;
+  if length(vector) > 0 then
+    mean := sum(vector)/length(vector);
+  writeln('Mean: ', mean:10:8);
+end.