Calculator

<iframe src='https://www.embed.com/app/calculator/gray-calculator.html' style='width: 500px; height: 500px;' scrolling='no' frameBorder='0'></iframe>

<iframe src='https://www.embed.com/app/calculator/phone-calculator.html' style='width: 500px; height: 500px;' scrolling='no' frameBorder='0'></iframe>