Android/script. js at main · owneradmin-sudo/Android · GitHub

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'&// Get the display element
const display = document.getElementById('display');

// Append number to display
function appendNumber(num) {
    if (display.value.length < 50) {
        display.value += num;
    }
}

// Append operator to display
function appendOperator(op) {
    if (display.value && !display.value.endsWith(op)) {
        display.value += op;
    }
}

// Append function to display
function appendFunction(func) {
    if (display.value.length < 50) {
        display.value += func;
    }
}

// Append pi constant
function appendPi() {
    if (display.value.length < 50) {
        display.value += Math.PI.toString();
    }
}

// Clear display
function clearDisplay() {
    display.value = '';
}

// Delete last character
function deleteLast() {
    display.value = display.value.slice(0, -1);
}

// Calculate result
function calculate() {
    try {
        let expression = display.value;

        // Replace mathematical functions with JavaScript equivalents
        expression = expression.replace(/sin\(/g, 'Math.sin(');
        expression = expression.replace(/cos\(/g, 'Math.cos(');
        expression = expression.replace(/tan\(/g, 'Math.tan(');
        expression = expression.replace(/sqrt\(/g, 'Math.sqrt(');
        expression = expression.replace(/log\(/g, 'Math.log10(');
        expression = expression.replace(/ln\(/g, 'Math.log(');
        expression = expression.replace(/pow\(/g, 'Math.pow(');

        // Evaluate the expression
        const result = eval(expression);

        // Display result with limited decimal places
        if (typeof result === 'number') {
            display.value = parseFloat(result.toFixed(10));
        } else {
            display.value = result;
        }
    } catch (error) {
        display.value = 'Error';
        console.error('Calculation error:', error);
    }
}

// Allow keyboard input
document.addEventListener('keydown', function(event) {
    const key = event.key;

    if (key >= '0' && key <= '9') {
        appendNumber(key);
    } else if (key === '+' || key === '-' || key === '*' || key === '/') {
        appendOperator(key);
    } else if (key === '.' || key === ',') {
        appendNumber('.');
    } else if (key === 'Enter' || key === '=') {
        event.preventDefault();
        calculate();
    } else if (key === 'Backspace') {
        event.preventDefault();
        deleteLast();
    } else if (key === 'Escape') {
        event.preventDefault();
        clearDisplay();
    } else if (key === '(') {
        appendNumber('(');
    } else if (key === ')') {
        appendNumber(')');
    }
});