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added a factorial feature to the program #2

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added a factorial feature to the program #2

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3 changes: 3 additions & 0 deletions .idea/.gitignore
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9 changes: 9 additions & 0 deletions .idea/Very-Simple-Java-Calculator.iml
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8 changes: 8 additions & 0 deletions .idea/modules.xml
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10 changes: 10 additions & 0 deletions .idea/runConfigurations.xml
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6 changes: 6 additions & 0 deletions .idea/vcs.xml
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Binary file added SimpleCalculator/src/SimpleCalculator.class
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21 changes: 17 additions & 4 deletions SimpleCalculator/src/SimpleCalculator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -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");


}

Expand All @@ -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;

Expand All @@ -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;

Expand All @@ -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;

Expand All @@ -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;

Expand Down Expand Up @@ -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;
Expand Down