Merge pull request steam-bell-92#313 from sangitabera/add_math_functions

steam-bell-92 · web-flow · commit ab491b39f52e · 2026-05-19T18:58:01.000+05:30
add factorial, power and other functions and implemented OOP
diff --git a/math/Simple-Calculator/Simple-Calculator.py b/math/Simple-Calculator/Simple-Calculator.py
@@ -1,275 +1,109 @@
-import math
-
-print("🧮 Advanced Scientific Calculator 🧮")
-print("📚 Perform arithmetic and scientific operations\n")
-
-history = []
-
-while True:
-
-    print("=" * 60)
-    print("📋 Choose an Operation:")
-    print("1️⃣   Addition (+)")
-    print("2️⃣   Subtraction (-)")
-    print("3️⃣   Multiplication (×)")
-    print("4️⃣   Division (÷)")
-    print("5️⃣   Modulus (%)")
-    print("6️⃣   Power (^)")
-    print("7️⃣   Square Root (√)")
-    print("8️⃣   Percentage")
-    print("9️⃣   Decimal Calculation")
-    print("🔟  Sine (sin)")
-    print("1️⃣1️⃣ Cosine (cos)")
-    print("1️⃣2️⃣ Tangent (tan)")
-    print("1️⃣3️⃣ Logarithm (log)")
-    print("1️⃣4️⃣ Factorial (!)")
-    print("1️⃣5️⃣ Show History")
-    print("1️⃣6️⃣ Clear History")
-    print("1️⃣7️⃣ Delete Last History")
-    print("0️⃣   Exit")
-    print("=" * 60)
-
-    choice = input("\n🎯 Enter your choice: ")
-
-    # EXIT
-    if choice == '0':
-        print("\n👋 Thanks for using the calculator. Goodbye!\n")
-        break
-
-    # SHOW HISTORY
-    elif choice == '15':
-
-        print("\n📜 Calculation History:\n")
-
-        if len(history) == 0:
-            print("📭 No calculations found.\n")
-
-        else:
-            for item in history:
-                print(f"➡️ {item}")
-
-        print()
-
-    # CLEAR HISTORY
-    elif choice == '16':
-
-        history.clear()
-        print("\n🗑️ History Cleared Successfully!\n")
-
-    # DELETE LAST HISTORY
-    elif choice == '17':
-
-        if len(history) == 0:
-            print("\n📭 No history to delete.\n")
-
-        else:
-            deleted = history.pop()
-            print(f"\n🗑️ Deleted: {deleted}\n")
-
-    # SQUARE ROOT
-    elif choice == '7':
-
-        try:
-            num = float(input("\n📥 Enter number: "))
-
-            if num < 0:
-                print("\n❌ Cannot find square root of negative number!\n")
-                continue
-
-            result = math.sqrt(num)
-
-            calculation = f"√{num} = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # PERCENTAGE
-    elif choice == '8':
-
-        try:
-            num = float(input("\n📥 Enter number: "))
-
-            result = num / 100
-
-            calculation = f"{num}% = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # DECIMAL CALCULATION
-    elif choice == '9':
-
-        try:
-            num1 = float(input("\n📥 Enter first decimal number: "))
-            num2 = float(input("📥 Enter second decimal number: "))
-
-            result = num1 + num2
-
-            calculation = f"{num1} + {num2} = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid decimal input!\n")
-
-    # SINE
-    elif choice == '10':
-
-        try:
-            angle = float(input("\n📥 Enter angle in degrees: "))
-
-            result = math.sin(math.radians(angle))
-
-            calculation = f"sin({angle}) = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # COSINE
-    elif choice == '11':
-
-        try:
-            angle = float(input("\n📥 Enter angle in degrees: "))
-
-            result = math.cos(math.radians(angle))
-
-            calculation = f"cos({angle}) = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # TANGENT
-    elif choice == '12':
-
-        try:
-            angle = float(input("\n📥 Enter angle in degrees: "))
-
-            result = math.tan(math.radians(angle))
-
-            calculation = f"tan({angle}) = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # LOGARITHM
-    elif choice == '13':
-
-        try:
-            num = float(input("\n📥 Enter number: "))
-
-            if num <= 0:
-                print("\n❌ Logarithm only works for positive numbers!\n")
-                continue
-
-            result = math.log10(num)
-
-            calculation = f"log({num}) = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # FACTORIAL
-    elif choice == '14':
-
-        try:
-            num = int(input("\n📥 Enter positive integer: "))
-
-            if num < 0:
-                print("\n❌ Factorial not defined for negative numbers!\n")
-                continue
-
-            result = math.factorial(num)
-
-            calculation = f"{num}! = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Invalid input!\n")
-
-    # BASIC OPERATIONS
-    elif choice in ['1', '2', '3', '4', '5', '6']:
-
-        try:
-            num1 = float(input("\n📥 Enter first number: "))
-            num2 = float(input("📥 Enter second number: "))
-
-            if choice == '1':
-
-                result = num1 + num2
-                calculation = f"{num1} + {num2} = {result}"
-
-            elif choice == '2':
-
-                result = num1 - num2
-                calculation = f"{num1} - {num2} = {result}"
-
-            elif choice == '3':
-
-                result = num1 * num2
-                calculation = f"{num1} × {num2} = {result}"
-
-            elif choice == '4':
-
-                if num2 == 0:
-                    print("\n❌ Division by zero is not allowed!\n")
-                    continue
-
-                result = num1 / num2
-                calculation = f"{num1} ÷ {num2} = {result}"
-
-            # MODULUS
-            elif choice == '5':
-
-                if num2 == 0:
-                    print("\n❌ Modulus by zero is not allowed!\n")
-                    continue
-
-                result = num1 % num2
-                calculation = f"{num1} % {num2} = {result}"
-
-            # POWER
-            elif choice == '6':
-
-                result = num1 ** num2
-                calculation = f"{num1}^{num2} = {result}"
-
-            history.append(calculation)
-
-            print(f"\n✨ Result: {calculation}\n")
-
-        except ValueError:
-            print("\n❌ Please enter valid numbers!\n")
-
-    # INVALID CHOICE
-    else:
-
-        print("\n❌ Invalid choice! Please select a valid option.\n")
+class Calculator:
+    def __init__(self):
+        pass 
+
+    def start_calculation(self):
+        print("--------Menu---------")
+        print('1. Addition')
+        print('2. Subtraction')
+        print('3. Multiplication')
+        print('4. Division')
+        print('5. Modulus')
+        print('6. Floor Division')
+        print('7. Power')
+        print('8. Factorial')
+        print('9. Square root')
+        print('10. Exit')
+
+        while True:
+            try:
+                user_input = int(input('Enter your choice to calculate(1-10): '))
+                if user_input == 1:
+                    self.addition()
+                elif user_input == 2:
+                    self.substraction()
+                elif user_input == 3:
+                    self.multiplication()
+                elif user_input == 4:
+                    self.division()
+                elif user_input == 5:
+                    self.modulus()
+                elif user_input == 6:
+                    self.floor_division()
+                elif user_input == 7:
+                    self.power()
+                elif user_input == 8:
+                    self.factorial()
+                elif user_input == 9:
+                    self.sqrt()
+                elif user_input == 10:
+                    print('Goodbye! Have a good day.')
+                    break
+                else:
+                    print('Wrong Choice.')
+
+            except ValueError:
+                print('please enter correct option.')
+            except ZeroDivisionError:
+                print('Zero cannot be divided by zero.')
+            except Exception as e:
+                print(f'Something went wrong: {e}')
+
+    def addition(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        add = a + b
+        print(f'The Result is: {add}')
+    
+    def substraction(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        minus = a - b
+        print(f'The Result is: {minus}')
+
+    def division(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        div = a / b
+        print(f'The Result is: {div}')
+    
+    def multiplication(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        multiplication = a * b
+        print(f'The Result is: {multiplication}')
+
+    def floor_division(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        floor = a // b
+        print(f'The Result is: {floor}')
+
+    def modulus(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        mod = a % b
+        print(f'The Result is: {mod}')
+
+    def power(self):
+        a = int(input('enter first value: '))
+        b = int(input('enter second value: '))
+        power = a ** b
+        print(f'The Result is: {power}')
+
+    def factorial(self):
+        a = int(input("Enter the number: "))
+        fact = 1
+        for i in range(1,a+1):
+            fact = fact * i
+        print(f"Factorial is: {fact}")
+    
+    def sqrt(self):
+        num = int(input("Enter the number: "))
+        sqrt = num ** 0.5
+        print(f"Square root of {num} : {sqrt}")
+
+
+
+cal = Calculator()
+cal.start_calculation()
