diff --git a/examples/smell_calculator.py b/examples/smell_calculator.py
new file mode 100644
index 0000000..42339c7
--- /dev/null
+++ b/examples/smell_calculator.py
@@ -0,0 +1,191 @@
+class ComplexCalculator:
+    def __init__(self, real_part, imaginary_part):
+        self.real_part = real_part
+        self.imaginary_part = imaginary_part
+
+    def add(self, other):
+        """
+        Add two complex numbers.
+        """
+        result_real = self.real_part + other.real_part
+        result_imaginary = self.imaginary_part + other.imaginary_part
+        return ComplexNumber(result_real, result_imaginary)
+
+    def subtract(self, other):
+        """
+        Subtract one complex number from another.
+        """
+        result_real = self.real_part - other.real_part
+        result_imaginary = self.imaginary_part - other.imaginary_part
+        return ComplexNumber(result_real, result_imaginary)
+
+    def multiply(self, other):
+        """
+        Multiply two complex numbers.
+        """
+        result_real = (self.real_part * other.real_part) - (self.imaginary_part * other.imaginary_part)
+        result_imaginary = (self.real_part * other.imaginary_part) + (self.imaginary_part * other.real_part)
+        return ComplexNumber(result_real, result_imaginary)
+
+    def divide(self, other):
+        """
+        Divide one complex number by another.
+        """
+        denominator = (other.real_part ** 2) + (other.imaginary_part ** 2)
+        if denominator == 0:
+            raise ZeroDivisionError("Division by zero is not allowed.")
+        result_real = ((self.real_part * other.real_part) + (self.imaginary_part * other.imaginary_part)) / denominator
+        result_imaginary = ((self.imaginary_part * other.real_part) - (self.real_part * other.imaginary_part)) / denominator
+        return ComplexNumber(result_real, result_imaginary)
+
+    def power(self, exponent):
+        """
+        Raise the complex number to a given power.
+        """
+        if exponent < 0:
+            raise ValueError("Exponent must be a non-negative integer.")
+        result_real = 1
+        result_imaginary = 0
+        for _ in range(exponent):
+            temp_real = result_real * self.real_part - result_imaginary * self.imaginary_part
+            temp_imaginary = result_real * self.imaginary_part + result_imaginary * self.real_part
+            result_real = temp_real
+            result_imaginary = temp_imaginary
+        return ComplexNumber(result_real, result_imaginary)
+
+    def conjugate(self):
+        """
+        Compute the conjugate of the complex number.
+        """
+        return ComplexNumber(self.real_part, -self.imaginary_part)
+
+    def modulus(self):
+        """
+        Compute the modulus of the complex number.
+        """
+        return (self.real_part ** 2 + self.imaginary_part ** 2) ** 0.5
+
+    def argument(self):
+        """
+        Compute the argument (angle) of the complex number.
+        """
+        import math
+        return math.atan2(self.imaginary_part, self.real_part)
+
+    def cartesian_to_polar(self):
+        """
+        Convert the complex number from cartesian to polar form.
+        """
+        modulus = self.modulus()
+        argument = self.argument()
+        return modulus, argument
+
+    def polar_to_cartesian(self, modulus, argument):
+        """
+        Convert the complex number from polar to cartesian form.
+        """
+        import math
+        real_part = modulus * math.cos(argument)
+        imaginary_part = modulus * math.sin(argument)
+        return ComplexNumber(real_part, imaginary_part)
+
+    def test_addition(self):
+        """
+        Test the addition method of ComplexCalculator.
+        """
+        c1 = ComplexNumber(3, 4)
+        c2 = ComplexNumber(1, 2)
+        result = self.add(c1, c2)
+        assert result.real_part == 4
+        assert result.imaginary_part == 6
+
+    def test_subtraction(self):
+        """
+        Test the subtraction method of ComplexCalculator.
+        """
+        c1 = ComplexNumber(3, 4)
+        c2 = ComplexNumber(1, 2)
+        result = self.subtract(c1, c2)
+        assert result.real_part == 2
+        assert result.imaginary_part == 2
+
+    def test_multiplication(self):
+        """
+        Test the multiplication method of ComplexCalculator.
+        """
+        c1 = ComplexNumber(1, 2)
+        c2 = ComplexNumber(2, 3)
+        result = self.multiply(c1, c2)
+        assert result.real_part == -4
+        assert result.imaginary_part == 7
+
+    def test_division(self):
+        """
+        Test the division method of ComplexCalculator.
+        """
+        c1 = ComplexNumber(2, 1)
+        c2 = ComplexNumber(1, 1)
+        result = self.divide(c1, c2)
+        assert result.real_part == 1.5
+        assert result.imaginary_part == -0.5
+
+    def test_power(self):
+        """
+        Test the power method of ComplexCalculator.
+        """
+        c = ComplexNumber(1, 1)
+        result = self.power(c, 3)
+        assert result.real_part == -2
+        assert result.imaginary_part == 2
+
+    def test_conjugate(self):
+        """
+        Test the conjugate method of ComplexCalculator.
+        """
+        c = ComplexNumber(3, -2)
+        result = self.conjugate(c)
+        assert result.real_part == 3
+        assert result.imaginary_part == 2
+
+    def test_modulus(self):
+        """
+        Test the modulus method of ComplexCalculator.
+        """
+        c = ComplexNumber(3, 4)
+        result = self.modulus(c)
+        assert result == 5
+
+    def test_argument(self):
+        """
+        Test the argument method of ComplexCalculator.
+        """
+        c = ComplexNumber(1, 1)
+        result = self.argument(c)
+        assert result == math.pi / 4
+
+    def test_cartesian_to_polar(self):
+        """
+        Test the cartesian_to_polar method of ComplexCalculator.
+        """
+        c = ComplexNumber(1, 1)
+        modulus, argument = self.cartesian_to_polar(c)
+        assert modulus == math.sqrt(2)
+        assert argument == math.pi / 4
+
+    def test_polar_to_cartesian(self):
+        """
+        Test the polar_to_cartesian method of ComplexCalculator.
+        """
+        modulus = math.sqrt(2)
+        argument = math.pi / 4
+        result = self.polar_to_cartesian(modulus, argument)
+        assert result.real_part == 1
+        assert result.imaginary_part == 1
+
+class ComplexNumber:
+    def __init__(self, real_part, imaginary_part):
+        self.real_part = real_part
+        self.imaginary_part = imaginary_part
+
+    def __str__(self):
+        return f"{self.real_part} + {self.imaginary_part}i"
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