diff --git a/calculator/__init__.py b/calculator/__init__.py
index a89fc5a..007ab43 100644
--- a/calculator/__init__.py
+++ b/calculator/__init__.py
@@ -1 +1 @@
-from .calcurator import add, subtract, divide, multiply, square_root
\ No newline at end of file
+from .calculator import add, subtract, divide, multiply, exponentiate, square_root
diff --git a/calculator/calculator.py b/calculator/calculator.py
new file mode 100644
index 0000000..ec9e117
--- /dev/null
+++ b/calculator/calculator.py
@@ -0,0 +1,31 @@
+def add(x, y):
+    """Returns the sum of x and y."""
+    return x + y
+
+
+def multiply(x, y):
+    """Returns the product of x and y."""
+    return x * y
+
+
+def divide(x, y):
+    """Returns the result of dividing x by y."""
+    if y != 0:
+        return x / y
+    else:
+        return "Error: Division by zero"
+
+
+def subtract(x, y):
+    """Returns the difference between x and y."""
+    return x - y
+
+
+def exponentiate(x, y):
+    """Returns x raised to the power of y."""
+    return x**y
+
+
+def square_root(x):
+    """Returns the square root of x."""
+    return x ** (1 / 2)
diff --git a/calculator/calcurator.py b/calculator/calcurator.py
index e400c62..ec9e117 100644
--- a/calculator/calcurator.py
+++ b/calculator/calcurator.py
@@ -2,10 +2,12 @@ def add(x, y):
     """Returns the sum of x and y."""
     return x + y
 
+
 def multiply(x, y):
     """Returns the product of x and y."""
     return x * y
 
+
 def divide(x, y):
     """Returns the result of dividing x by y."""
     if y != 0:
@@ -13,12 +15,17 @@ def divide(x, y):
     else:
         return "Error: Division by zero"
 
+
 def subtract(x, y):
     """Returns the difference between x and y."""
     return x - y
 
+
+def exponentiate(x, y):
+    """Returns x raised to the power of y."""
+    return x**y
+
+
 def square_root(x):
     """Returns the square root of x."""
-    return x ** (1/2)
-    
-    
+    return x ** (1 / 2)
diff --git a/calculator/tests/unit_tests_calculator.py b/calculator/tests/unit_tests_calculator.py
index f5f3715..545efc8 100644
--- a/calculator/tests/unit_tests_calculator.py
+++ b/calculator/tests/unit_tests_calculator.py
@@ -1,28 +1,46 @@
 # test_calculator.py
 
-from calculator import add, multiply, divide, subtract, square_root
+from calculator.calculator import (
+    add,
+    multiply,
+    divide,
+    subtract,
+    exponentiate,
+    square_root,
+)
+
 
 def test_addition():
     assert add(5, 3) == 8
     assert add(0, 0) == 0
     assert add(-5, 5) == 0
 
+
 def test_multiplication():
     assert multiply(4, 6) == 24
     assert multiply(0, 10) == 0
     assert multiply(-3, 7) == -21
 
+
 def test_division():
     assert divide(8, 2) == 4.0
     assert divide(10, 5) == 2.0
     assert divide(7, 0) == "Error: Division by zero"
 
+
 def test_subtraction():
     assert subtract(10, 7) == 3
     assert subtract(5, 5) == 0
     assert subtract(7, 10) == -3
 
+
+def test_exponentiation():
+    assert exponentiate(2, 3) == 8
+    assert exponentiate(5, 0) == 1
+    assert exponentiate(3, -2) == 1 / 9
+
+
 def test_square_root():
     assert square_root(4) == 2
     assert square_root(25) == 5
-    assert square_root(9) == 3
\ No newline at end of file
+    assert square_root(9) == 3