diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/Very-Simple-Java-Calculator.iml b/.idea/Very-Simple-Java-Calculator.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/Very-Simple-Java-Calculator.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..d37c13b
--- /dev/null
+++ b/.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/Very-Simple-Java-Calculator.iml" filepath="$PROJECT_DIR$/.idea/Very-Simple-Java-Calculator.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..797acea
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/SimpleCalculator/src/SimpleCalculator.class b/SimpleCalculator/src/SimpleCalculator.class
new file mode 100644
index 0000000..fd54946
Binary files /dev/null and b/SimpleCalculator/src/SimpleCalculator.class differ
diff --git a/SimpleCalculator/src/SimpleCalculator.java b/SimpleCalculator/src/SimpleCalculator.java
index ea2cbbf..bdbc80a 100644
--- a/SimpleCalculator/src/SimpleCalculator.java
+++ b/SimpleCalculator/src/SimpleCalculator.java
@@ -14,6 +14,8 @@ public void showMenu() {
 		System.out.println("2.Substraction");
 		System.out.println("3.Multiplication");
 		System.out.println("4.Division");
+		System.out.println("5.factorial");
+		
 
 	}
 
@@ -22,7 +24,7 @@ public double division() {
 		double a, b;
 		System.out.println("Enter first value");
 		a = scan.nextDouble();
-		System.out.println("Enter first value");
+		System.out.println("Enter second value");
 		b = scan.nextDouble();
 		double val = a / b;
 
@@ -34,7 +36,7 @@ public double mutliplication() {
 		double a, b;
 		System.out.println("Enter first value");
 		a = scan.nextDouble();
-		System.out.println("Enter first value");
+		System.out.println("Enter second value");
 		b = scan.nextDouble();
 		double val = a * b;
 
@@ -46,7 +48,7 @@ public double substraction() {
 		double a, b;
 		System.out.println("Enter first value");
 		a = scan.nextDouble();
-		System.out.println("Enter first value");
+		System.out.println("Enter second value");
 		b = scan.nextDouble();
 		double val = a - b;
 
@@ -58,7 +60,7 @@ public double addition() {
 		double a, b;
 		System.out.println("Enter first value");
 		a = scan.nextDouble();
-		System.out.println("Enter first value");
+		System.out.println("Enter second value");
 		b = scan.nextDouble();
 		double val = a + b;
 
@@ -91,6 +93,17 @@ public static void main(String[] args) {
 			score = calc.division();
 			System.out.println(score);
 			break;
+		case 5:{
+			System.out.println("enter the number");
+			int num1 = scan.nextInt();
+			int a = 1;
+			for(int i = 1; i <= num1; i++){
+				a = a*i;
+			}
+			System.out.println("the factorial is" + " " + a);
+			break;
+		}
+
 		default:
 			System.out.println("Wrong choice");
 			break;