• ➕ Addition - Add two numbers
• ➖ Subtraction - Subtract two numbers
• ✖️ Multiplication - Multiply two numbers
• ➗ Division - Divide with zero-check protection
• 📊 Result Display - Immediate calculation output

• 📋 Stack Storage - LIFO history tracking
• 🔄 Complete History - View all past calculations
• 💾 Session Memory - Results stored until exit
• ⚡ Fast Access - Stack-based retrieval

Press 1 for addition
Press 2 for subtraction
Press 3 for multiplication
Press 4 for division
Press 0 to exit
Enter Your Choice: 1

Enter The First Number: 15.5
Enter The Second Number: 4.5
Result: 20

Enter Your Choice: 4
Enter The First Number: 10
Enter The Second Number: 0
Error dividing by zero

The Recent History is:
20
15.5
8.75
42

Note: History displays in reverse order (most recent first) due to stack LIFO nature.

if(b == 0) {
    cout << "Error dividing by zero" << endl;
    continue;  // Skip storing invalid result
}

• Float Support - Handles decimal numbers
• Continuous Operation - Loop until user exits
• Invalid Choice - Graceful menu return

• ✅ Stack data structure implementation
• ✅ LIFO (Last In, First Out) principle
• ✅ Basic arithmetic operations in C++
• ✅ Error handling and input validation
• ✅ Menu-driven program design
• ✅ Float precision handling

g++ -o calculator SimpleCalculatorWithHistory.cpp
./calculator

Enter Your Choice: 1
Enter The First Number: 25
Enter The Second Number: 15
Result: 40

Enter Your Choice: 0

The Recent History is:
40

• 🧮 Advanced Operations - Power, square root, trigonometry
• 📁 File Storage - Save history to file
• 🔄 History Navigation - Search and reuse previous results
• 🎨 GUI Interface - Visual calculator design
• 📊 Expression Parsing - Handle complex expressions