All In One Calculator

The All In One Calculator is an easy to use modern calculator with a unique combination of features. Here’s are some of the features:
• Runs on all iPod, iPhone and iPad devices
• Multitasking
• Unit Converter feature
• History feature allows you to see previous calculations
• Shows the entire expression as you are typing it
• Works with decimal numbers and fractions
• Precision for decimal results can be adjusted
• Grouping of operations with parenthesis
• Supports undo and redo
• Infix or RPN mode
• Expression editing
• Layout can be adjusted for right handed or left handed use
• Fraction keys can be changed to other keys in portrait mode
• Has a delete button for easy editing
• Allows you to share results; including using AirDrop
• Takes advantage of the larger display in iPad
• Info button with detailed description of all features
• Support common memory functions
• Viewing of contents in memory
• Simple layout in portrait and a more advanced layout in landscape
• Fractions can be converted to different forms; including decimal
• Large buttons with ergonomic layout
• App hints during normal use

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.