Calculightor is free, multi-function and light calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: Calculightor possesses a powerful math core and algebra engine, making it a useful tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculightor makes available everything you need! Free calculator app for iPad and iPhone with no ads. Designed with simplicity, usability and beauty in mind! It was designed to take full advantage of the iPad screen offering a large display. FEATURES: - Two modes are available: do basic calculations (+, -, x, ÷, etc.) in Portrait Mode or go advanced (Sin, Cos, Tan, Log, X!, √, %, E, In, etc. ) in Landscape Mode - NO ads! Yes completely without ads. NO annoying popups! - Elegant & Intuitive interface - Supports many scientific functions - Includes iPhone 6/6+ HD Retina Display - Standard English Keyboards - Universal calculator app - Supports all the latest devices - Backspace button - Large, easy to press buttons Calculightor - the most light and simple calculator! Optimized for iOS 11! Calculightor is designed for everyone looking for simplicity and functionality. The app features calculators sporting elegant interface that won't leave anyone indifferent. Users who want to make basic calculations will definitely enjoy the standard option, while math gurus will find it very handy to use the scientific mode. CALCULATION FEATURES: Calculightor is your best companion for college classes, school studies, budgeting, home finances, business accounts and many more! Rich variety of mathematical and algebraic operations: addition, division, subtraction, multiplication, degrees calculations, cube and square roots, logarithm functions, percent, factorial, decimal calculations, hyperbolic sine, cosine and tangent, inverse hyperbolic sine, cosine and tangent, and others. Enjoy the Calculightor on your iPhone & iPad with, no ads, no prompts & if you like it, support us by upgrading or giving us a positive review. Calculightor is the best and most feature-rich calculator for iDevices. Download the app now, and join the scores of users impressed by the calculator’s ease of use and extensive functionality options!