Create functionality to do sequential calculations

src/interestCalculator.c

@@ -2,37 +2,38 @@
 
 
 void calculateInterest(){
-float principalAmount;
-float interestPerYear;
-float timeInYears;
+    float principalAmount;
+    float interestPerYear;
+    float timeInYears;
 
-printf("Please enter the principal amount:");
-scanf("%f",&principalAmount);
-if(principalAmount<=0){
+    printf("Please enter the principal amount:");
+    scanf("%f",&principalAmount);
+    if(principalAmount<=0){
         return;
-}
+    }
 
-printf("\nPlease enter interest per year (percentage):");
-scanf("%f",&interestPerYear);
-if(interestPerYear<=0){
+    printf("\nPlease enter interest per year (percentage):");
+    scanf("%f",&interestPerYear);
+    if(interestPerYear<=0){
         return;
-}
+    }
 
-printf("\nPlease enter interest time in years:");
-scanf("%f",&timeInYears);
-if(timeInYears<=0){
+    printf("\nPlease enter interest time in years:");
+    scanf("%f",&timeInYears);
+    if(timeInYears<=0){
         return;
-}
+    }
 
-float interestDecimal=interestPerYear/100;
+    float interestDecimal=interestPerYear/100;
 
-float result= principalAmount*(1+(interestDecimal*timeInYears));
-printf("\nAmount with the interest is %f.",result);
+    float result= principalAmount*(1+(interestDecimal*timeInYears));
+    printf("\nAmount with the interest is %.2f.",result);
 }
 
 void initiateCalculator(){
 
     int input;
+    char c;
     printf("Welcome to the interest calculator. Please select an option:\n[1]Calculate yearly interest\n");
     scanf("%d", &input);
 
@@ -43,13 +44,17 @@ void initiateCalculator(){
         default:
         break;
     }
-
+    printf("\nThank you for using our services. Would you like to do another calculation? [y]Yes [any]No\n");
+    scanf(" %c", &c);
+    if(c=='y'||c=='Y'){
+        initiateCalculator();
+    }else{
+        return;
+    }
 }
 
-/*
 int main(){
 
     initiateCalculator();
 
 }
-*/