How to create a advance Calculator ?

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SEO Help and Tips

How to create a advance Calculator ?

Here is the example code of advance colorful canculator:

HTML Code:

<head>
    <title>Colorful Calculator</title>
    <style>
        body {
            background-color: #f5f5f5;
            font-family: Arial, sans-serif;
        }

        .calculator {
            width: 300px;
            margin: 0 auto;
            background-color: #333;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
            color: white;
            text-align: center;
        }

        input[type="text"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            font-size: 18px;
            color: white;
            background-color: #444;
        }

        button {
            width: 60px;
            height: 60px;
            font-size: 18px;
            margin: 4px;
            border: none;
            border-radius: 50%;
            background-color: #666;
            color: white;
            cursor: pointer;
            font-weight: bold;
        }

        button.operator {
            background-color: #f7931e;
        }

        button.clear {
            background-color: #e74c3c;
        }

        button.equal {
            background-color: #2ecc71;
        }

        button.memory {
            background-color: #3498db;
        }
    </style>
</head>
<body>
    <div class="calculator">
        <input type="text" id="result" disabled>
        <button class="memory" onclick="appendToResult('M')">M</button>
        <button class="clear" onclick="clearResult()">C</button>
        <button onclick="appendToResult('%')">%</button>
        <button class="operator" onclick="appendToResult('+')">+</button>
        <br>
        <button onclick="appendToResult('7')">7</button>
        <button onclick="appendToResult('8')">8</button>
        <button onclick="appendToResult('9')">9</button>
        <button class="operator" onclick="appendToResult('-')">-</button>
        <br>
        <button onclick="appendToResult('4')">4</button>
        <button onclick="appendToResult('5')">5</button>
        <button onclick="appendToResult('6')">6</button>
        <button class="operator" onclick="appendToResult('*')">*</button>
        <br>
        <button onclick="appendToResult('1')">1</button>
        <button onclick="appendToResult('2')">2</button>
        <button onclick="appendToResult('3')">3</button>
        <button class="operator" onclick="appendToResult('/')">/</button>
        <br>
        <button onclick="appendToResult('0')">0</button>
        <button class="equal" onclick="calculateResult()">=</button>
        <button onclick="calculateSquareRoot()">√</button>
        <button onclick="calculateCos()">cos</button>
    </div>

    <script>
        function appendToResult(value) {
            document.getElementById('result').value += value;
        }

        function clearResult() {
            document.getElementById('result').value = '';
        }

        function calculateResult() {
            try {
                const expression = document.getElementById('result').value;
                const result = eval(expression);
                document.getElementById('result').value = result;
            } catch (error) {
                document.getElementById('result').value = 'Error';
            }
        }

        function calculateSquareRoot() {
            try {
                const expression = document.getElementById('result').value;
                const result = Math.sqrt(eval(expression));
                document.getElementById('result').value = result;
            } catch (error) {
                document.getElementById('result').value = 'Error';
            }
        }

        function calculateCos() {
            try {
                const expression = document.getElementById('result').value;
                const result = Math.cos(eval(expression));
                document.getElementById('result').value = result;
            } catch (error) {
                document.getElementById('result').value = 'Error';
            }
        }
    </script>
</body>

Python:

import math

def append_to_result(value):
    global result
    result += value

def clear_result():
    global result
    result = ''

def calculate_result():
    global result
    try:
        result = str(eval(result))
    except:
        result = 'Error'

def calculate_square_root():
    global result
    try:
        result = str(math.sqrt(eval(result)))
    except:
        result = 'Error'

def calculate_cos():
    global result
    try:
        result = str(math.cos(eval(result)))
    except:
        result = 'Error'

result = ''

while True:
    print("Options:")
    print("Enter 'M' for memory")
    print("Enter 'C' to clear")
    print("Enter '%' for percentage")
    print("Enter '+' for addition")
    print("Enter '-' for subtraction")
    print("Enter '*' for multiplication")
    print("Enter '/' for division")
    print("Enter '=' to calculate")
    print("Enter '√' for square root")
    print("Enter 'cos' for cosine")
    print("Enter 'quit' to end the program")

    user_input = input(": ")

    if user_input == 'quit':
        break
    elif user_input in ('M', 'C', '%', '+', '-', '*', '/', '=', '√', 'cos'):
        if user_input == 'M':
            append_to_result('M')
        elif user_input == 'C':
            clear_result()
        elif user_input == '=':
            calculate_result()
        elif user_input == '√':
            calculate_square_root()
        elif user_input == 'cos':
            calculate_cos()
        else:
            append_to_result(user_input)
    else:
        print("Invalid input")

    print("Result:", result)

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