diff --git a/Calculator b/Calculator
new file mode 100644
index 0000000..3d25d87
--- /dev/null
+++ b/Calculator
@@ -0,0 +1,40 @@
+def add(x, y):
+    """Addition"""
+    return x + y
+
+def subtract(x, y):
+    """Subtraction"""
+    return x - y
+
+def multiply(x, y):
+    """multiplication"""
+    return x * y
+
+def divide(x, y):
+    """Division"""
+    if y != 0:
+        return x / y
+    else:
+        return "Error, divide -0-!"
+
+print("Choose transaction:")
+print("1. Addition")
+print("2. Subtraction")
+print("3. multiplication")
+print("4. Division")
+
+choice = input("Add number operation (1/2/3/4): ")
+
+num1 = float(input("Enter first number: "))
+num2 = float(input("Enter second number: "))
+
+if choice == '1':
+    print(num1, "+", num2, "=", add(num1, num2))
+elif choice == '2':
+    print(num1, "-", num2, "=", subtract(num1, num2))
+elif choice == '3':
+    print(num1, "*", num2, "=", multiply(num1, num2))
+elif choice == '4':
+    print(num1, "/", num2, "=", divide(num1, num2))
+else:
+    print("Incorrect input transaction")
diff --git a/Password Generator b/Password Generator
new file mode 100644
index 0000000..17fe31f
--- /dev/null
+++ b/Password Generator	
@@ -0,0 +1,31 @@
+import random
+import string
+
+def generate_password(length):
+    # Define character sets for password generation
+    uppercase_letters = string.ascii_uppercase
+    lowercase_letters = string.ascii_lowercase
+    numbers = string.digits
+    special_characters = string.punctuation
+
+    # Ensure the generated password meets the required criteria
+    while True:
+        password = random.choices(uppercase_letters, k=1) + \
+                   random.choices(lowercase_letters, k=1) + \
+                   random.choices(numbers, k=1) + \
+                   random.choices(special_characters, k=1) + \
+                   random.choices(uppercase_letters + lowercase_letters + numbers + special_characters, k=length-4)
+        password = ''.join(password)
+        if (any(char.isupper() for char in password) and
+                any(char.islower() for char in password) and
+                any(char.isdigit() for char in password) and
+                any(char in special_characters for char in password)):
+            break
+
+    return password
+
+print("Welcome to the Linux User Password Generator!")
+length = int(input("Please enter the desired password length: "))
+
+password = generate_password(length)
+print("\nGenerated password:", password)
diff --git a/students.txt b/students.txt
index b61091a..a5be3d3 100644
--- a/students.txt
+++ b/students.txt
@@ -1,2 +1,4 @@
 First Name      Last Name
-Artem           Hrechanychenko
\ No newline at end of file
+Artem           Hrechanychenko
+
+Andrii Vyshnevskyi