Calculator! is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator. Our versatile calculator app allows you to: • Customize the look of the application by changing the leather color and background texture (iPad Only) • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • Use both calculators in portrait or landscape mode • Take notes or draw with your finger on the Notes Tab • View and edit a history of your calculations on the History Tab • Use Airprint to print your notes or your calculation history • Email your calculation history or notes from within the app • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations We wrote Calculator! to be the perfect calculator for budding math students and professionals alike.