diff --git a/src/main/c/main_taschenrechner.c b/src/main/c/main_taschenrechner.c
index 4223bf5..30fa51c 100644
--- a/src/main/c/main_taschenrechner.c
+++ b/src/main/c/main_taschenrechner.c
@@ -89,46 +89,6 @@ int bitwiseXOR(int num1, int num2) {
 }
 
 //..
-
-// scientificmode
-int scientificMode(){
-
-    double num, result;
-
-    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");
-    scanf("%d", &choice); // user choice
-
-    switch(choice) {
-
-        case 1: // Square root
-        break;
-
-        case 2: // Exponential
-        break;
-
-        case 3: // Logarithm
-        break;
-
-        case 4: // Trigonomertic 
-        break;
-    
-        default: printf("Invalid choice. Please try again.\n");
-
-    }
-
-    return result;
-}
-
 // graphMode
 void graphMode() {
     double x, y;