*Featured in Whats Hot on iTunes**Designed for iOS 8 with an Extension for Today*The BEST Calculator! App for iPad, iPhone and iTouch. Ever lost your train of thought half way through a calculation and thought how handy it would be to have a print out or e-mail of your work? Features:- Apple Watch calculator included.- Calculate quickly in Today View with an Extension and copy the result to your App.- Print out the calculation history or send by PDF. - Correct with a backspace key if you enter a wrong digit without having to redo all.- Email, PDF or Print the calculation history.- PDF the Tape and access previous in the Documents Folder.- Exchange Documents in iTunes or open in iBooks, Email, etc.- Rename and share PDF documents.- Copy and Paste numbers to other Apps, by tapping on the display.- Show calculations on an Apple TV or an external monitor with a cable.- Change number display to Fixed, Scientific, etc., by tapping on the display.- Customize the background, fixed digits, fonts, colors and sizes.- Customize the Tape font, size and color.- An audible sound confirms if you have pressed a button, which can be easily disabled by touching the speaker.- Previous calculation is repeated when the equal sign is pressed.- Grand Total calculated.- Numbers in Memory may be logged to the Tape.- A visible and audible error when trying to divide by zero or take the square root of a negative number. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe.