All in One Calculator

General features
• Available on all iPad, iPhone and iPod devices
• Multitasking
• Full support for drag and drop
• Classic and Dark color themes
• Quick Guide for easy onboarding
• Tool bar for easy access to many features
• Accessibility features like VoiceOver
• Home screen icon for quick actions (3d Touch)
• Delete button for easy editing
• Undo and redo
• Adjustable precision for decimal results
• Spotlight Search

Calculator Views
• Views for Standard (Infix), RPN and Programmer
• Statistic functions (average, standard deviation and more)
• Expression editing
• Share results; including using AirDrop
• Common memory functions
• View contents in memory
• Multiline expression in portrait and landscape
• Simple layout in portrait and a more advanced layout in landscape
• All calculator functions available in portrait (don't need to rotate the device)
• Various button styles
• Change location of number pad for better accessibility

Unit Converter
• Convert among the 481 units in 36 measurements; including currency
• Share results with others or paste back into the calculator for further use
• Hide units seldomly used

History
• History (paper tape) feature allows you to see and use previous calculations
• Annotate history entries to remember what they were
• Search in history
• Share results with others or paste back into the calculator for further use

Info feature
• Detailed description of all features
• Table of contents and search allow you to find topics of interest

RPN
• Shows as many rows in the stack as needed
• Shows the expression that generates the result
• Drag and drop among rows
• Buttons to manipulate the stack

Programmer
• Support for hexadecimal, octal and binary number systems
• Manipulate individual bits
• Many bitwise operators
• Shows equivalents ASCII and Unicode characters

Fractions
• Fractions can be converted to different forms; including decimal
• Fraction keys can be changed to other keys in portrait mode
• Works with decimal numbers and fractions

You no longer need a fractions calculator and decimal calculator; nor a unit converter. Future upgrades will add more features so you don’t have to switch back and forth among other apps.

We hope you enjoy aio Calculator.