diff --git a/src/multiplication.c b/src/multiplication.c
index 2704834..24afd8c 100644
--- a/src/multiplication.c
+++ b/src/multiplication.c
@@ -159,9 +159,23 @@ int multiply_octal_numbers(int num1, int num2) {
         num1 <<= 3; // Décalage octal
         num2 >>= 1;
     }
+   
     return result;
 }
 
+int multiply_hex_numbers(int num1, int num2) {
+    int result = 0;
+    while (num2 != 0) {
+        if (num2 & 1) {
+            result += num1;
+        }
+        num1 <<= 4; // Décalage hexadécimal
+        num2 >>= 1;
+    }
+    return result;
+}
+
+
 
     
 
diff --git a/src/multiplication.h b/src/multiplication.h
index 83e2f89..890caa7 100644
--- a/src/multiplication.h
+++ b/src/multiplication.h
@@ -23,6 +23,7 @@ int multiply_using_binary_enumeration(int num1, int num2);
 int multiply_using_differences(int num1, int num2);
 int multiply_recursive_optimized(int num1, int num2);
 int multiply_octal_numbers(int num1, int num2);
+int multiply_hex_numbers(int num1, int num2);
 
 
 #endif // MULTIPLICATION_H