Update calculator.c

calculator.c

@@ -1,5 +1,6 @@
 #include <math.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 // 1. Addition
 void calcAddition() {
@@ -10,32 +11,99 @@ void calcAddition() {
     printf("The sum is %d\n", result);
 }
 
-// Fill the rest of the functionality here!
-// 2. Subtraction
-// 3. Multiplication
+// 2. Subtraction 
+void calcSubtraction() {
+printf("\nEnter two numbers: \n"); 
+    int a,b;
+    scanf("%d%d",&a,&b);
+    int result = a-b; printf("The difference is %d\n",result); 
+}
+// 3. Multiplication 
+void calcMultiplication() {
+        printf("\nEnter two numbers: \n"); 
+        int a,b; 
+        scanf("%d%d",&a,&b); 
+        int result = a*b;
+        printf("Multiplication of the given two nummber is %d\n",result);
+    }
 // 4. Division
-// 5. Exponentiation
+ void calcDivision() { 
+        printf("\nEnter two numbers a and b like a greater than b: \n"); 
+        int a,b; 
+        scanf("%d%d",&a,&b);
+        int result = a/b; 
+        printf("Division of the given two nummber is %d\n",result);
+ }
+// 5. Exponentiation 
+void calcExponential() {
+        printf("\nEnter two numbers a and b like a greater than b: \n"); 
+        int a,b; 
+        scanf("%d%d",&a,&b); 
+        int result = a^b;  
+        printf("Division of the given two nummber is %d\n", result);
+} 
 
 // 6. Sine
 void calcSine() {
     printf("\nEnter the angle in degrees: ");
     int angle;
     scanf("%d", &angle);
-
-    // Convert degrees to radians
     double radians = angle / 180.0 * 3.14;
-    double answer = sin(radians);
-
-    printf("The sine value is %f", answer);
+    double result = sin(radians);
+    printf("\nThe sin of the given angle is %f\n",result);
 }
-
-// Fill the rest of the functionality here!
 // 7. Cosine
+void calcCos() {
+    printf("\nEnter the angle in degrees: ");
+    int angle;
+    scanf("%d", &angle);
+    double radians = angle / 180.0 * 3.14;
+    double result = cos(radians);
+    printf("\nThe cos of the given angle is %f\n",result);
+}
 // 8. Tangent
+void calcTan() {
+    printf("\nEnter the angle in degrees: ");
+    int angle;
+    scanf("%d", &angle);
+    double radians = angle / 180.0 * 3.14;
+    double result = tan(radians);
+    printf("\nThe tan of the given angle is %f\n",result);
+}
+
 // 9. Floor
+void calcFloor(){
+    printf("\nEnter a numbers: \n");
+    float a;
+    scanf("%f", &a);
+    int result = floor(a);
+    printf("\nThe floor of the number is %d\n",result);
+}
+
 // 10. Ceiling
+void calcCeil(){
+    printf("\nEnter a numbers: \n");
+    float a;
+    scanf("%f", &a);
+    int result = ceil(a);
+    printf("\nThe ceil of the number is %d\n",result);
+}
 // 11. Round
+void calcRound(){
+    printf("\nEnter a numbers: \n");
+    float a;
+    scanf("%f", &a);
+    int result = round(a);
+    printf("\nThe rpund of the number is %d\n",result);
+}
 // 12. Absolute value
+void calcAbs(){
+    printf("\nEnter a numbers: \n");
+    int a;
+    scanf("%d", &a);
+    int result = abs(a);
+    printf("\nThe absolute value of the number is %d\n",result);
+}
 
 int main() {
     int choice;
@@ -62,25 +130,41 @@ int main() {
         case 1:
             calcAddition();
             break;
-
         case 2:
+            calcSubtraction();
+            break;
         case 3:
+            calcMultiplication();
+            break;
         case 4:
+            calcDivision();
+            break;
         case 5:
-
-        // 6. Sine
+            calcExponential();
+            break;           
         case 6:
             calcSine();
             break;
-
         case 7:
+            calcCos();
+            break;
         case 8:
+            calcTan();
+            break;
         case 9:
+            calcFloor();
+            break;
         case 10:
+            calcCeil();
+            break;
         case 11:
+            calcRound();
+            break;
         case 12:
+            calcAbs();
+            break;
         default:
             printf("Invalid choice!");
     }
     return 0;
-}
+}