diff --git a/src/main/c/scientificMode.c b/src/main/c/scientificMode.c
index 52ba133..b855139 100644
--- a/src/main/c/scientificMode.c
+++ b/src/main/c/scientificMode.c
@@ -4,7 +4,6 @@
 #include <math.h>
 #include "taschenrechner.h"
 
-
 int scientificMode(){
 
     double num, result;
@@ -12,33 +11,39 @@ int scientificMode(){
     int choice;
 
     printf("Enter a number: ");
-
     scanf("%lf", &num); // scan the number from user
-    
+
     printf("Scientific mode Options:\n");
-    printf("1: Square root:\n");
-    printf("2: Exponential:\n");
-    printf("2: Logarithm:\n");
-    printf("4: Trigonomertic");
+    printf("1: Square root\n");
+    printf("2: Exponential\n");
+    printf("3: Logarithm\n");
+    printf("4: Trigonometric\n");
     scanf("%d", &choice); // user choice
 
     switch(choice) {
 
         case 1: // Square root
-        break;
+            result = squareRootFunction(num);
+            break;
 
         case 2: // Exponential
-        break;
+            result = exponentialFunction(num);
+            break;
 
         case 3: // Logarithm
-        break;
+            result = logarithmFunction(num);
+            break;
+
+        case 4: // Trigonometric
+            result = sineFunction(num);
+            break;
 
-        case 4: // Trigonomertic 
-        break;
-    
-        default: printf("Invalid choice. Please try again.\n");
+        default: 
+            printf("Invalid choice. Please try again.\n");
+            return -1; // Return an error code to indicate failure
 
     }
 
+    printf("Result: %lf\n", result);
     return result;
 }