diff --git a/calc_bits.cpp b/calc_bits.cpp
new file mode 100644
index 0000000..9c207c7
--- /dev/null
+++ b/calc_bits.cpp
@@ -0,0 +1,34 @@
+#include "calc_bits.h"
+#include "lab04.h"
+#include <iostream>
+#include <iomanip>
+
+uint16_t perform_bitwise_operation(uint16_t operand1, char operation, uint16_t operand2) {
+    uint16_t result;
+
+    switch (operation) {
+        case '&':
+            result = operand1 & operand2;
+            break;
+        case '|':
+            result = operand1 | operand2;
+            break;
+        case '^':
+            result = operand1 ^ operand2;
+            break;
+        default:
+            std::cerr << "Invalid operator. Please use '&', '|', or '^'." << std::endl;
+            result = 0;
+            break;
+    }
+
+    return result;
+}
+
+void print_calculation(uint16_t result) {
+    std::cout << "Result in Hex: ";
+    print_in_hex(result);
+    std::cout << "\nResult in Binary: ";
+    print_in_binary(result);
+    std::cout << std::endl;
+}
diff --git a/calc_bits.h b/calc_bits.h
new file mode 100644
index 0000000..aca79db
--- /dev/null
+++ b/calc_bits.h
@@ -0,0 +1,7 @@
+#ifndef CALC_BITS_H_INCLUDED
+#define CALC_BITS_H_INCLUDED
+
+
+
+
+#endif // CALC_BITS_H_INCLUDED
diff --git a/lab04.cbp b/lab04.cbp
index aef035e..d27f6c6 100644
--- a/lab04.cbp
+++ b/lab04.cbp
@@ -32,6 +32,7 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename="calc_bits.cpp" />
 		<Unit filename="lab04.h" />
 		<Unit filename="main.cpp" />
 		<Unit filename="source.cpp" />
diff --git a/lab04.h b/lab04.h
index 65a1515..68c19fb 100644
--- a/lab04.h
+++ b/lab04.h
@@ -2,12 +2,14 @@
 #define LAB04_H_INCLUDED
 #include <iostream>
 #include <iomanip>
-
+#include <cstdint>
 #pragma once
 
 void print_in_hex(uint8_t byte);
 void print_in_hex(const void* data, size_t size);
 void print_in_binary(uint8_t byte);
 void print_in_binary(const void* data, size_t size);
+uint16_t perform_bitwise_operation(uint16_t operand1, char operation, uint16_t operand2);
+void print_calculation(uint16_t result);
 
 #endif // LAB04_H_INCLUDED
diff --git a/main.cpp b/main.cpp
index 4a9b600..34253e3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,3 +22,24 @@ int main() {
 
     return 0;
 }
+
+int main_calc(){
+    uint16_t operand1, operand2;
+    char operation;
+
+    cout << "Enter the first operand (in hexadecimal): ";
+    cin >> std::hex >> operand1;
+
+    cout << "Enter the bitwise operation (&, |, or ^): ";
+    cin >> operation;
+
+    cout << "Enter the second operand (in hexadecimal): ";
+    cin >> std::hex >> operand2;
+
+    uint16_t result = perform_bitwise_operation(operand1, operation, operand2);
+
+    cout << "\nCalculation Result:" << endl;
+    print_calculation(result);
+
+    return 0;
+}
diff --git a/source.cpp b/source.cpp
index 031f455..bd9f97f 100644
--- a/source.cpp
+++ b/source.cpp
@@ -1,7 +1,7 @@
 #include "lab04.h"
 #include <string>
 
-#include "lab04.h"
+#include "calc_bits.h"
 
 void print_in_hex(uint8_t byte) {
     std::cout << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(byte) << " ";