Version History
- Added support for Retina displays.
- Fixed a problem with the tax rate not saving.
- Fixed a crash on startup when updating currency rates.
- Fixed a problem dividing negative non-decimal numbers.
- Various fixes for Mountain Lion.
- Added support for Mountain Lion.
- Added a new "Density" section to the unit conversions.
- Added a new calculator theme, "Brawn".
- You can now use the minus button to change the sign of an exponent as you are entering it.
- Fixed a problem with scripts not running.
- PCalc now requires 10.6.8 or later.
- Added a "Frac" button to most layouts for quick fraction entry. You can also press the decimal point button a second time.
- Added an option for a fixed four register RPN stack.
- Added an option to set the lower value where scientific notation display starts.
- Added a new "Lighting" section to the unit conversions with lumen, lux, footcandles etc.
- Added inch/mm of mercury and water to the pressure conversions.
- Significantly improved the speed of keyboard entry.
- Fixed a problem with PCalc not hiding if set to be a login item.
- Fixed a problem with the divide button disappearing in the basic layouts.
- Fixed a problem with the Engineering Mode display.
- New app icon, from the folks at PyrusMalus!
- The PCalc Dashboard widget is now free - you can download the latest version separately from here.
- Software update is now significantly improved, with thanks to Rich Siegel and everyone at Bare Bones Software.
- Added new force and temperature unit conversions, with thanks to Georg Schober.
- Improved the currency rates updating.
- Now always perform an integer divide in Hex, Octal, and Binary modes.
- When the RPN stack is full with 128 entries, pushing a new number will drop the oldest one.
- Opening the conversions now finishes entry of the current number.
- Fixed a problem displaying zero in certain cases.
- Added dozens of new unit conversions, including currencies.
- Added an option to stop the "AC" button from clearing the memories.
- Added a mod operator as a 2nd function of the divide button.
- Added "<< n" and ">> n" buttons for shifting by an arbitrary number of bits.
- Added two new calculator themes, "Flux" and "Flynn".
- Copy and paste now works again in the Dashboard Widget.
- Improved detection of overflow in Hex, Octal, and Binary modes.
- Updated with the latest code from PCalc 2.2 for iOS.
- Added an option to stop the "AC" button from clearing the tape.
- When using multiple memories, the memory keys now highlight to show which memories have values stored in them.
- Fixed a problem with multiple memories not updating in the Info drawer.
- Updated with the latest code from PCalc 1.9.1 for iPhone / iPod Touch.
- Gamma function now works on a wider range of inputs.
- Fixed a problem with the Dashboard Widget not saving some preferences.
- Updated with the latest code from PCalc 1.8.1 for iPhone / iPod Touch.
- Added a "2nd" button and lots of features from the iPhone and iPod touch version including hyperbolic trig functions, hypotenuse, gamma, delta percentage, memory / stack clear, and last x.
- Added an option to increase the number of available memories to ten.
- Added an option to make the RPN behaviour match more modern calculators like the HP48.
- Added an option to play a key click sound.
- Added support for regions that use a quote as the thousands separator.
- Can now show thousands separators in the info and stack drawers and the unit conversion sheet.
- Updated with the latest code and conversions from PCalc 1.7 for the iPhone and iPod touch.
- PCalc now uses the calculator themes from the iPhone and iPod touch version.
- Added themes to the Dashboard Widget.
- Added many more unit conversions, including a new cooking section.
- Now highlight buttons to show operators and when you are entering a decimal or an exponent.
- Fixed copy and paste in the Dashboard Widget on Leopard.
- Fixed a problem with the first thousands separator sometimes not being displayed.
- Fixed a problem displaying the correct number of decimal places for some numbers.
- Updated with the latest code from PCalc 1.5 for the iPhone and iPod touch.
- Updated with the latest code from PCalc 1.1 for the iPhone and iPod touch.
- Changed "Exp" button to automatically insert a 1 before the exponent if no numbers entered.
- Percentage key now works more like HP calculators in RPN mode.
- Cube root now supports negative numbers.
- Factorial is now calculated using the gamma function.
- Added tape control buttons to the "Large" style.
- Fixed a problem with very large and small numbers not causing an overflow.
- Fixed a problem which could cause the keyboard shortcuts to stop working.
- Now includes many improvements from PCalc for the iPhone and iPod touch.
- Added a new calculator style, "Blue Sun", which is now the default appearance.
- Added an option to make the RPN mode behave more like HP calculators in both the application and the Dashboard Widget.
- Added fuel efficiency conversions and some more constants.
- Added more keyboard shortcuts to the Dashboard Widget.
- Added better error handling to the functions and conversions.
- Smarter multiple undo / redo support.
- Reversed the order of the operator buttons to match other calculators.
- Fixed a display problem with Engineering Notation.
- Fixed a problem remembering the RPN stack between launches.
- Fixed a problem with the e^x key in the application "Widget" style.
- Fixed a problem with some functions in RPN mode.
- Added speech support to the application. PCalc can now read your actions and results back to you.
- Added many new constants as well as support for plug-ins to provide additional constants in future.
- Added two new "Large" calculator styles with big buttons and displays.
- Added an option to always display trailing zeros after the decimal point, for use with currency calculations.
- Added new unit conversions including a new "Power" category.
- Constants are now grouped by subject in hierarchical menus.
- You can now map keyboard shortcuts to constants.
- Improved support for VoiceOver and Universal Access.
- Improved the look of the "Aqua" calculator style.
- PCalc is now better at remembering your preferred calculator settings in both the application and the Dashboard Widget.
- Fixed a problem where PCalc repeatedly asked if you would like to upgrade the Dashboard Widget if your home folder was on a server.
- Fixed a problem editing constants and copying and pasting numbers in the application when the decimal separator was set to characters other than a dot.
- The Dashboard Widget also now respects the decimal separator.
- Added AppleScript support to the application.
- Added a calculator style to the application that looks like the Dashboard Widget.
- Added support for displaying numbers using Engineering Notation.
- Added Scientific and Engineering Notation support to the Dashboard Widget.
- Added "Subtract VAT" and "Calculate VAT" functions.
- You can now edit the VAT rate in the Preferences window.
- Scientific and Engineering Notation can now be set on a per-calculator basis.
- Functions and conversions can now be written using AppleScript.
- Fixed a problem with unknown functions and conversions still being displayed in menus.
- Improved support for Intel-based Macs.
- Added different calculator styles to the Dashboard Widget.
- Fixed a problem with copying and pasting to the calculators.
- Other minor fixes and improvements.
- Added support for using parentheses while entering expressions.
- Added an option to show thousands separators in the Dashboard Widget.
- Added comma key to the default keyboard shortcuts.
- Improved keyboard handling in the Dashboard Widget.
- Now display a warning if you choose a keyboard shortcut which is already in use.
- Fixed a problem setting certain keyboard shortcuts.
- Fixed a problem displaying negative hexadecimal numbers in the Info drawer.
- Fixed a problem saving the full state of the calculators.
- Completely rewritten to take advantage of Mac OS X Tiger.
- Includes a companion PCalc Dashboard Widget for quick calculations.
- More accurate maths engine.
- Brand new unit conversion mechanism including many new supported units.
- Editable keyboard shortcuts for all actions, including functions and unit conversions.
- New calculator styles including Metal and Basic.
- Support for adding third-party calculator styles, functions, and unit conversions.
- Enhanced RPN mode.
- Multiple undo and redo.
- Single icon drag install.
- Built-in software update mechanism.
- PCalc 3 is a free upgrade for registered users who previously bought PCalc 2, and existing serial numbers will continue to work. A special upgrade price of US $10 is available for those people who got PCalc 2.2.3 included with their Macs.
- PCalc 3 requires Mac OS X 10.4.2 or later and is distributed as a Universal Binary with support for both Intel and PowerPC processors.
- Numerous fixes for Mac OS X.
- Fixed some problems with the help.
- Support function keys for undo/cut/copy/paste.
- Added some new Euro currency conversion and trigonometric functions.
- Fixed a bug that could cause PCalc to freeze during certain calculations when set to display 14 decimal places.
- Added support for Reverse Polish Notation (RPN) calculations.
- Added support for octal numbers.
- Added option to display thousands separators in the LCD.
- Added option to quit PCalc when closing the last calculator window.
- Fixed a number of function related bugs.
- Fixed a problem with displaying large numbers.
- Fixed a problem pasting certain numbers.
- Fixed a crash when closing a PCalc Classic style window using the close box.
- More OS X and Aqua fixes.
- Significant speed increases over 2.0, especially on older machines.
- Added tape window showing calculation history, for registered users.
- Added information window showing register contents.
- Added cube and cube root buttons.
- Added round and percentage buttons.
- Added more bit shifting buttons in binary and hex mode.
- Option to auto-minimise the calculators in the background.
- All binary operations now work in hex mode.
- Many new functions and constants, courtesy of Roland B. Wassenberg.
- Fixed a number of drawing bugs under Aqua.