This Calculator app brings iOS system Calculator to your iPad. Features: • iOS 7 flat design. • Standard Calculator in portrait mode • Scientific Calculator in landscape mode • Copy and paste numbers from or into display • Simple,Clear, Flat, and intuitive design. • Support iOS 7. • One Universal App supports iPhone,iPod touch, and iPad. • And much more…. There are two versions for this App, Free version is supported by iAd. Free feel to contact us through in-App setting.