diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/.gitignore b/1ano/2semestre/labi/tema02/Calculater/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/Calculater.iml b/1ano/2semestre/labi/tema02/Calculater/.idea/Calculater.iml
new file mode 100644
index 0000000..d0876a7
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/Calculater.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/discord.xml b/1ano/2semestre/labi/tema02/Calculater/.idea/discord.xml
new file mode 100644
index 0000000..30bab2a
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/discord.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="ASK" />
+    <option name="description" value="" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/Project_Default.xml b/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..49fdfc7
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,10 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="DuplicatedCode" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <Languages>
+        <language minSize="55" name="Python" />
+      </Languages>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/profiles_settings.xml b/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/misc.xml b/1ano/2semestre/labi/tema02/Calculater/.idea/misc.xml
new file mode 100644
index 0000000..a971a2c
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/.idea/modules.xml b/1ano/2semestre/labi/tema02/Calculater/.idea/modules.xml
new file mode 100644
index 0000000..95994c2
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Calculater.iml" filepath="$PROJECT_DIR$/.idea/Calculater.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/aritmetica.py b/1ano/2semestre/labi/tema02/Calculater/aritmetica.py
new file mode 100644
index 0000000..fe78c46
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/aritmetica.py
@@ -0,0 +1,25 @@
+import math
+
+def soma(a, b):
+    return round(a + b, 2)
+
+def subtracao(a, b):
+    return round(a - b, 2)
+
+def multiplicacao(a, b):
+    return round(a * b, 2)
+
+def divisao(a, b):
+    if b == 0:
+        raise ZeroDivisionError("Não é possível dividir por zero.")
+    return round(a / b, 2)
+
+def resto_divisao_inteira(a, b):
+    if b == 0:
+        raise ZeroDivisionError("Não é possível dividir por zero.")
+    return round(a % b, 2)
+
+def raiz_quadrada(a):
+    if a < 0:
+        raise ValueError("Não é possível calcular a raiz quadrada de um número negativo.")
+    return round(math.sqrt(a), 2)
diff --git a/1ano/2semestre/labi/tema02/Calculater/calculadora.py b/1ano/2semestre/labi/tema02/Calculater/calculadora.py
new file mode 100644
index 0000000..0f6f95d
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/calculadora.py
@@ -0,0 +1,138 @@
+import pytest
+import aritmetica
+
+
+
+def main():
+    print("Welcome to the Calculator!")
+    
+    while True:
+        print("Please choose an operation:")
+        print("1. Addition (+)")
+        print("2. Subtraction (-)")
+        print("3. Multiplication (*)")
+        print("4. Division (/)")
+        print("5. Resto (%)")
+        print("6. Square Root (sqrt)")
+        print("7. Exit")
+
+        choice = input("Enter your choice (1-6): ")
+
+        if choice == '7':
+            print("Goodbye!")
+            break
+        elif choice == '1':
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                    num2 = float(input("Enter the second number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.soma(num1, num2)
+
+                print(f"{num1} + {num2} = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        elif choice == '2':
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                    num2 = float(input("Enter the second number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.subtracao(num1, num2)
+
+                print(f"{num1} - {num2} = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        elif choice == '3':
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                    num2 = float(input("Enter the second number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.multiplicacao(num1, num2)
+
+                print(f"{num1} * {num2} = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        elif choice == '4':
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                    num2 = float(input("Enter the second number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.divisao(num1, num2)
+
+                print(f"{num1} / {num2} = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        elif choice == '5' :
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                    num2 = float(input("Enter the second number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.resto_divisao_inteira(num1, num2)
+
+                print(f"{num1} % {num2} = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        elif choice == '6':
+            while True:
+                try:
+                    num1 = float(input("Enter the first number: "))
+                except ValueError as e:
+                    print("Invalid input. Please enter a number.")
+                    print("Error: ", e.__doc__)
+                    continue
+                
+                result = aritmetica.raiz_quadrada(num1)
+
+                print(f"sqrt({num1}) = {result}")
+
+                exit = input('To continue operation press ( y ) ?')
+
+                if exit.upper() != 'Y':
+                    break
+        else:
+            print("Invalid input. Please enter a number between 1 and 6.")
+
+
+if __name__ == "__main__":
+    pytest.main(['-x', 'test_unitarios.py'])
+    pytest.main(['-x', 'test_funcionais.py'])
+    main()
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/test_funcionais.py b/1ano/2semestre/labi/tema02/Calculater/test_funcionais.py
new file mode 100644
index 0000000..62afb32
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/test_funcionais.py
@@ -0,0 +1,114 @@
+import unittest
+from aritmetica import soma, subtracao, multiplicacao, divisao, raiz_quadrada, resto_divisao_inteira
+
+class TestCalculadora(unittest.TestCase):
+    
+    def test_soma_numeros_validos(self):
+        self.assertEqual(soma(2, 3), 5)
+        self.assertEqual(soma(-2.5, 3.5), 1)
+        self.assertEqual(soma(0, 0), 0)
+        self.assertEqual(soma(0.1, 0.2), 0.3)
+        
+    def test_soma_argumentos_invalidos(self):
+        with self.assertRaises(TypeError):
+            soma("2", 3)
+        with self.assertRaises(TypeError):
+            soma(2, "3")
+        with self.assertRaises(TypeError):
+            soma("2", "3")
+        with self.assertRaises(TypeError):
+            soma(2)
+        with self.assertRaises(TypeError):
+            soma()
+            
+    def test_subtracao_numeros_validos(self):
+        self.assertEqual(subtracao(5, 3), 2)
+        self.assertEqual(subtracao(3, 5), -2)
+        self.assertEqual(subtracao(-2.5, 3.5), -6)
+        self.assertEqual(subtracao(0, 0), 0)
+        self.assertEqual(subtracao(0.1, 0.2), -0.1)
+        
+    def test_subtracao_argumentos_invalidos(self):
+        with self.assertRaises(TypeError):
+            subtracao("2", 3)
+        with self.assertRaises(TypeError):
+            subtracao(2, "3")
+        with self.assertRaises(TypeError):
+            subtracao("2", "3")
+        with self.assertRaises(TypeError):
+            subtracao(2)
+        with self.assertRaises(TypeError):
+            subtracao()
+            
+    def test_multiplicacao_numeros_validos(self):
+        self.assertEqual(multiplicacao(2, 3), 6)
+        self.assertEqual(multiplicacao(-2.5, 3.5), -8.75)
+        self.assertEqual(multiplicacao(0, 0), 0)
+        self.assertEqual(multiplicacao(0.1, 0.2), 0.02)
+        
+    def test_multiplicacao_argumentos_invalidos(self):
+        with self.assertRaises(TypeError):
+            multiplicacao("2", 3)
+        with self.assertRaises(TypeError):
+            multiplicacao(2, "3")
+        with self.assertRaises(TypeError):
+            multiplicacao("2", "3")
+        with self.assertRaises(TypeError):
+            multiplicacao(2)
+        with self.assertRaises(TypeError):
+            multiplicacao()
+            
+    def test_divisao_numeros_validos(self):
+            self.assertEqual(divisao(4, 2), 2)
+            self.assertEqual(divisao(3, 5), 0.6)
+            self.assertEqual(divisao(-10, 2), -5)
+            self.assertEqual(divisao(0, 5), 0)
+            
+    def test_divisao_argumentos_invalidos(self):
+        with self.assertRaises(TypeError):
+            divisao("2", 3)
+        with self.assertRaises(TypeError):
+            divisao(2, "3")
+        with self.assertRaises(TypeError):
+            divisao("2", "3")
+        with self.assertRaises(TypeError):
+            divisao(2)
+        with self.assertRaises(TypeError):
+            divisao()
+        with self.assertRaises(ZeroDivisionError):
+            divisao(5, 0)
+            
+    def test_resto_divisao_inteira_numeros_validos(self):
+        self.assertEqual(resto_divisao_inteira(7, 3), 1)
+        self.assertEqual(resto_divisao_inteira(10, 2), 0)
+        self.assertEqual(resto_divisao_inteira(-7, 3), 2)
+        self.assertEqual(resto_divisao_inteira(0, 5), 0)
+
+    def test_resto_divisao_inteira_argumentos_invalidos(self):
+        with self.assertRaises(TypeError):
+            resto_divisao_inteira("2", 3)
+        with self.assertRaises(TypeError):
+            resto_divisao_inteira(2, "3")
+        with self.assertRaises(TypeError):
+            resto_divisao_inteira("2", "3")
+        with self.assertRaises(TypeError):
+            resto_divisao_inteira(2)
+        with self.assertRaises(TypeError):
+            resto_divisao_inteira()
+
+    def test_raiz_quadrada_numeros_validos(self):
+        self.assertAlmostEqual(raiz_quadrada(4), 2)
+        self.assertAlmostEqual(raiz_quadrada(9), 3)
+        self.assertAlmostEqual(raiz_quadrada(2), 1.41)
+        self.assertAlmostEqual(raiz_quadrada(0), 0)
+
+    def test_raiz_quadrada_argumentos_invalidos(self):
+        with self.assertRaises(ValueError):
+            raiz_quadrada(-4)
+        with self.assertRaises(TypeError):
+            raiz_quadrada("2")
+        with self.assertRaises(TypeError):
+            raiz_quadrada()
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/1ano/2semestre/labi/tema02/Calculater/test_unitarios.py b/1ano/2semestre/labi/tema02/Calculater/test_unitarios.py
new file mode 100644
index 0000000..0368e99
--- /dev/null
+++ b/1ano/2semestre/labi/tema02/Calculater/test_unitarios.py
@@ -0,0 +1,37 @@
+import unittest
+import aritmetica
+
+class TestAritmetica(unittest.TestCase):
+
+    def test_soma(self):
+        self.assertEqual(aritmetica.soma(2, 3), 5)
+        self.assertEqual(aritmetica.soma(-2, 3), 1)
+        self.assertEqual(aritmetica.soma(2.5, 3.7), 6.2)
+        
+    def test_subtracao(self):
+        self.assertEqual(aritmetica.subtracao(2, 3), -1)
+        self.assertEqual(aritmetica.subtracao(-2, 3), -5)
+        self.assertEqual(aritmetica.subtracao(2.5, 3.7), -1.2)
+
+    def test_multiplicacao(self):
+        self.assertEqual(aritmetica.multiplicacao(2, 3), 6)
+        self.assertEqual(aritmetica.multiplicacao(-2, 3), -6)
+        self.assertEqual(aritmetica.multiplicacao(2.5, 3.7), 9.25)
+
+    def test_divisao(self):
+        self.assertEqual(aritmetica.divisao(6, 3), 2)
+        self.assertEqual(aritmetica.divisao(7, 3), 2.33)
+        self.assertRaises(ZeroDivisionError, aritmetica.divisao, 6, 0)
+
+    def test_resto_divisao_inteira(self):
+        self.assertEqual(aritmetica.resto_divisao_inteira(7, 3), 1)
+        self.assertEqual(aritmetica.resto_divisao_inteira(10, 4), 2)
+        self.assertEqual(aritmetica.resto_divisao_inteira(15, 5), 0)
+
+    def test_raiz_quadrada(self):
+        self.assertEqual(aritmetica.raiz_quadrada(9), 3)
+        self.assertEqual(aritmetica.raiz_quadrada(16), 4)
+        self.assertEqual(aritmetica.raiz_quadrada(25), 5)
+
+if __name__ == '__main__':
+    unittest.main()