diff --git a/lib/soml/parfait/integer.soml b/lib/soml/parfait/integer.soml
index 19443679..80a34c1a 100644
--- a/lib/soml/parfait/integer.soml
+++ b/lib/soml/parfait/integer.soml
@@ -34,4 +34,15 @@ class Integer < Value
     str.putstring()
     return self
   end
+
+  int div( Integer by)
+    int ret = self / by
+    return ret
+  end
+
+  int mod(Integer by)
+    int base = self / by
+    base = base * by
+    return self - base
+  end
 end
diff --git a/test/parfait/test_integer.rb b/test/parfait/test_integer.rb
index 774256d6..09ea6423 100644
--- a/test/parfait/test_integer.rb
+++ b/test/parfait/test_integer.rb
@@ -3,52 +3,56 @@ require_relative 'helper'
 class TestPutiRT < MiniTest::Test
   include RuntimeTests
 
+  def test_mod
+    @string_input = "return 5.mod(3)"
+    check_return 2
+  end
+  def test_mod2
+    @string_input = "return 2.mod(4)"
+    check_return 2
+  end
+  def test_mod3
+    @string_input = "return 2.mod(4)"
+    check_return 2
+  end
+  def test_div
+    @string_input = "return 5.div(4)"
+    check_return 1
+  end
   def test_as_char1
-    @string_input = <<HERE
-return 5.as_char()
-HERE
+    @string_input = "return 5.as_char()"
     check_return 53
   end
 
   def test_as_char2
-    @string_input = <<HERE
-return 10.as_char()
-HERE
+    @string_input = "return 10.as_char()"
     check_return 32
   end
 
   def test_tos_one_digit
-    @string_input = <<HERE
-Word five = 5.to_s()
-five.putstring()
-HERE
+    @string_input = "Word five = 5.to_s()
+five.putstring()"
     @stdout = " 5"
     check
   end
 
   def test_tos_zero
-    @string_input = <<HERE
-Word five = 0.to_s()
-five.putstring()
-HERE
+    @string_input = "Word five = 0.to_s()
+five.putstring()"
     @stdout = " 0"
     check
   end
 
   def test_tos_two_digit
-    @string_input = <<HERE
-Word five = 15.to_s()
-five.putstring()
-HERE
+    @string_input = "Word five = 15.to_s()
+five.putstring()"
     @stdout = " 15"
     check
   end
 
   def test_tos_three_digit
-    @string_input = <<HERE
-Word five = 150.to_s()
-five.putstring()
-HERE
+    @string_input = "Word five = 150.to_s()
+five.putstring()"
     @stdout = " 150"
     check
   end