Calculator Pro - reliable and simple calculator! Calculator Pro is designed for everyone looking for simplicity and functionality. The app is an easy to use, beautifully packaged calculator for your iPad that includes both a standard and scientific calculator! Designed with simplicity, usability and beauty in mind! FEATURES - Two modes are available: the Portrait Mode and the Landscape Mode - Memory buttons to help you out with complex calculations - Quick Equation Preview: Your current equation is displayed below the result - Elegant & Intuitive interface Percent Button will behave just like the original calculator - An impressive list of mathematical operations you can perform with the Calculator includes: Addition, Subtraction, Division, Multiplication, Percentages - Nth Exponent, Nth Root, Power of E, Power of Ten, Power of Two, Square, Square Root, Natural Logarithm, Common Logarithm - Sinus, Cosinus, tangent Download the app now, and join the scores of users impressed by the Calculator’s ease of use and extensive functionality options!