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5. Release Notes
Following are the release notes for current and past versions of PEMDAS Touch:
Version 1.6
October 8, 2014
  • Updated to support the iPhone 6 and iPhone 6 Plus
Version 1.5.2
August 20, 2014
  • Fixed a bug where typing didn't always clear the equation text field after a calculation
Version 1.5.1
May 19, 2014
  • Updated to be iOS 7 only
  • Made internal improvements.
Version 1.5
September 18, 2013
  • Updated the keypad interface to be brighter and more consistent with iOS 7.
  • Added a "Keyboard" tab within the Keypad interface, which gives you quick access to the keyboard.
  • Updated the equation text field, so it works better and you can now also use the loupe.
  • Updated the icon to be consistent with iOS7.
Version 1.4
June 20, 2013
  • Added support for copy/paste in the formula and the result (double tap to bring up the menu).
  • Updated the look of the Keypad tab.
Version 1.3.1
February 22, 2013
  • Fixed a bug where rotating your device without the orientation lock turned on would cause the Keypad buttons to move out of place.
Version 1.3
February 12, 2013
  • Added support for the iPhone 5 screen resolution.
  • Added a brand new application icon.
  • Fixed a bug where the keypad wouldn't work right if you were on a phone call.
  • Added support for bluetooth keyboards.
  • Added support for clicking sounds when you tap a button in the keypad (if you have that preference enabled in the iOS settings)
Version 1.2
June 14, 2011
  • Updated the Keypad interface:
    • Added three customizable function buttons to the Keypad.
    • Added a scrolling list for easy access to all the function buttons in the Keypad.
    • Updated the button popping effect in both the function list and number/operator pad.
  • Added support for Retina Displays and iOS 4.
  • Added a new icon.
  • Fixed a bug where dividing by zero would not generate an error.
  • Fixed a bug where certain results would not display correctly when using the Limit Decimal Places number formatting, with the Add Zeroes To Show This Amount option deselected.
  • Added rudimentary support for double tapping the equation to select text.
Version 1.1
July 14, 2009
  • Updated the application icon and keypad interface.
  • Added support for viewing and typing binary, octal, and hexadecimal numbers:
    • Added a function bar page with the binary, octal, and hexadecimal prefix shortcuts (0b, 0o, and 0x respectively).
    • Added a number formatting setting to display numbers in binary, octal, or hexadecimal formatting.
  • Added a function bar page for hyperbolic functions.
  • Added an option in the equations panel to insert an equation, instead of duplicating it.
  • Added ability to review answers too long to display by double tapping on the answer.
  • Revised the keypad so the answer changes transparency to indicate the equation has changed since it was last calculated.
  • Added and fixed a few other minor things:
    • Added an alert if you've never used the app before to let you know the default angular units are radians.
    • Revised the function bar so it now remembers which function page you were on between launches.
    • Revised the app so it should launch slightly faster.
    • Fixed a bug where changing the number formatting would show the autocached variable name in the keypad display.
Version 1.0.1
March 29, 2009
  • Divided the variable tab into constants, auto-defined variables, and defined variables.
  • Added a preference for changing the "pi" button on the keypad to an "ans" button.
  • Increased the speed in which the application launches.
  • Added an option in the equations tab to insert either the equation or the result variable.
  • Changed the way the ans variable works, so now typing "ans" acts like a shortcut to typing the variable the previous result was stored in.
  • Fixed a bug where the cbrt() function didn't work.
  • Fixed a bug that caused the wrong variable to be inserted when tapping a variable in the variable tab.
Version 1.0
February 14, 2009
  • Initial Release.
  • Added ability to view equations with their associated answers inline.
  • Incorporated the same calculation engine developed for the PEMDAS App.
  • Incorporated the basic user interface based on the PEMDAS Dashboard Widget.