Initial data commit

Task/Multifactorial/Dart/multifactorial.dart

@@ -0,0 +1,25 @@
+main()
+{
+  int n=5,d=3;
+int z= fact(n,d);
+print('$n factorial of degree $d is $z');
+for(var j=1;j<=5;j++)
+{
+  print('first 10 numbers of degree $j :');
+  for(var i=1;i<=10;i++)
+  {
+    int z=fact(i,j);
+ print('$z');
+}
+  print('\n');
+}
+}
+
+int fact(int a,int b)
+{
+
+  if(a<=b||a==0)
+    return a;
+  if(a>1)
+    return a*fact((a-b),b);
+}