diff --git a/src/addition.h b/src/addition.h
index 86dd0a4..9382434 100644
--- a/src/addition.h
+++ b/src/addition.h
@@ -13,6 +13,8 @@ unsigned int precision(unsigned int number);
 
 unsigned int e(unsigned int a);
 
+unsigned int o(unsigned int s, unsigned int e, unsigned int p);
+
 float addition_float(float number1, float number2);
 
 #endif // ADDITION_H
\ No newline at end of file
diff --git a/test/test_addition.c b/test/test_addition.c
index 5bcf631..bc70b6d 100644
--- a/test/test_addition.c
+++ b/test/test_addition.c
@@ -189,6 +189,30 @@ void test_addition_exponentfloatingnumber(void)
     TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
 }
 
+void test_addition_output_numberwithsignexponentprecision(void)
+{
+    unsigned int result[5];
+    number[0].floating = 1468921, number[1].floating = -32468127698, number[2].floating = 0.000000795311468, number[3].floating = -0.00000843214521, number[4].floating = 14;
+    unsigned int expected[5] = { number[0].integer, number[1].integer, number[2].integer, number[3].integer, number[4].integer };
+
+    unsigned int s0, s1, s2, s3, s4, e0, e1, e2, e3, e4, p0, p1, p2, p3, p4;
+
+    s0 = sign(number[0].integer), s1 = sign(number[1].integer), s2 = sign(number[2].integer), s3 = sign(number[3].integer), s4 = sign(number[4].integer);
+    e0 = e(number[0].integer), e1 = e(number[1].integer), e2 = e(number[2].integer), e3 = e(number[3].integer), e4 = e(number[4].integer);
+    p0 = precision(number[0].integer), p1 = precision(number[1].integer), p2 = precision(number[2].integer), p3 = precision(number[3].integer), p4 = precision(number[4].integer);
+    result[0] = o(s0, e0, p0);
+    result[1] = o(s1, e1, p1);
+    result[2] = o(s2, e2, p2);
+    result[3] = o(s3, e3, p3);
+    result[4] = o(s4, e4, p4);
+
+    TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
+    TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
+    TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
+    TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
+    TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
+}
+
 void test_addition_addition_float_0plus0gleich0(void)
 {
     float result;