Update main_calculator.c

src/main/c/main_calculator.c

@@ -1,4 +1,3 @@
-
 #include <string.h>
 #include <stdlib.h>
 #include <math.h>
@@ -1340,8 +1339,7 @@ int mode(int userChoice){
 }
 
 
-// display the mode options:
-int displayMenu(){
+
 
     printf("\nCalculator Modes: \n");
     printf("\n1: Basic Mode\n");
@@ -1351,6 +1349,6 @@ int displayMenu(){
     printf("\n5: Unit converter Mode (length, weight volume etc.)\n");
     printf("\n0: Exit calculator\n");
 
-    return 1; // return 1 to check if the function works 
+  
+
 
-}