Calc98 Version 5 Release Note

For up-to-date information about the current version see our website at http://www.calculator.org/.

This version contains the following bug fixes and enhancements:

Release 5.29 (Release candidate - public)

• WindowsCE version should shut down if insufficient resources - fixed
• Removed the File/Close command on WindowsCE (WindowsCE UI design guidelines)
• Better CPU calibration on WindowsCE device
• Strange behaviour of display array scrollbars on WindowsCE - fixed
• Confusing behaviour of brackets in certain complex expressions - fixed
• Changing bracket button legend is unhelpful and breaks UI design guidelines - removed
• In RPN mode, no warning on stack overflow - fixed
• In RPN array mode, valid entry sometimes not recognised (so operator does nothing) - fixed
• WindowsCE installer doesn't warn if try to install CE3 version on CE2 device - fixed
• Strange display behaviour when initially loading data with different array size from file on WindowsCE - fixed

Release 5.28 (Release candidate)

• Two's complement display implemented correctly.
• Negative numbers truncated to zero showed "-0" - fixed.
• "Clear All" button added to memory select dialog.
• Some incorrect button legends if enter "opt" while keypad shifted - fixed.
• Engineering notation displayed 10 as "1e1" - fixed.
• Select added unit, property or constant when editing properties database.
• Change time constants (Time in Month etc.) to be in consistent units.
• Stopwatch timer inaccurate on WindowsCE - fixed.
• Warn if properties database modified but not saved.
• Help title bar button removed from Modes property sheet
• CAB install for WindowsCE devices
• Spell checked the help files and made corrections
• Cursor keys control stopwatch in time mode
• Keyboard accelerator added for RPN stack display
• Improved tab order on memory dialog to improve keyboard use
• A button added to the Options/Data page to delete the registry key
• If property added but no units it was not saved - fixed

Release 5.27 (Release candidate)

• Inconsistent behaviour for factorials of very large numbers - fixed
• Meaningless large values for tangents at infinity - fixed
• On Unicode versions (e.g. CE) input of angle degrees did not work - fixed
• Addressed some internationalization problems with non Latin-1 code pages
• Tool tips not cleared when changing mode e.g. Hex to Bin - fixed
• Bit wise shift button implemented for baseN, hex, octal, binary modes.
• Added a Unicode build for WindowsNT, Windows2000, WindowsXP
• Added number base modes to help files
• Corrected boiling point of methanol
• Some fixes to the help files
• We are now including the full point release in the download filename to avoid caching problems
• A known problem with help files on CE2 devices is addressed in the installation instructions

Release 5.26 (Release candidate)

• Display invisible on Windows CE 2 if display font is changed - fixed
• RPN stack roll down does nothing - fixed
• Percent key not working - fixed
• Ctrl-X (cut) not working - fixed
• Periodic table group headings can be misaligned - fixed(?)
• Decimal and thousands separator now default to Windows locale settings when Calc first run
• In some locales there are problems with key legends - (outstanding problem)
• Pi button does not push stack correctly in RPN mode - fixed
• OS Version information was incorrect - fixed
• Help files updated

Release 5.24 (Beta)

• Complex number support
• More powerful matrix functions
• Keyboard accelerators changed (to allow use of Ctrl-C and Ctrl-V for copy and paste)
• Roman numeral support
• Built-in periodic table of the elements
• WindowsCE platform support
• Copy and paste work with arrays
• Memories support arrays
• Calculator can be minimised to the system tray
• Calculator can be minimised at start-up (for adding to StartUp directory)
• Stopwatch functions improved
• Help works better if no HTML help support and can't find iexplore.exe
• User can choose browser executable
• Better HTML Help and help files updated
• Most calculator functions now support array operation
• Matrix functions now work in algebraic logic mode
• Rounding problems fixed
• Scrolling of arrays is more efficient
• ASCII table supporting control characters by name
• Angle mode shown in title bar
• Starting a second instance of calculator brings existing instance to top
• Mode dialog re-designed - "Layout" page renamed "View"
• Keypad configuration now accessed from "View" tab page
• All dialogs adjusted to support Pocket PC format
• Added rectangular/polar co-ordinate conversions
• Quick convert buttons to repeat or reverse last units conversion
• Extra row of buttons for rapid switching between modes
• non decimal modes now support full precision
• User changeable decimal point symbol
• User changeable thousands separator symbol
• Added more units and constants (and some corrections)
• Can navigate to calculator home page from about box
• Find function in units and constants improved
• Interest rates can be converted from annual to monthly automatically
• Two's complement octal and hex modes work properly
• Percentage calculations now work with addition and subtraction
• Sexagesimal unwanted roundup problem fixed

Problems fixed in release 4.53:

• Re-size and change fonts of buttons
• Re-arrange orientation of the keypads
• Re-size calculator and display
• Display can be expanded to a matrix or array
• Matrix operators
• Array arithmetic
• RPN (Reverse Polish Notation) option
• Algebraic precedence by default
• Optional command/menu bar
• Save/Load calculation data
• ASCII conversion
• Engineering number display
• Keyboard Tootles
• Full keyboard accelerators (short-cuts)
• Time mode now includes stopwatch feature
• Base-N mode (N up to 36)
• Support for WindowsCE version (not included in the release)

Problems fixed in release 4.52:

• "Now" button in time mode displayed UCT (GMT) - now local time
• Erroneous behaviour of RPN stack fixed
• Time/angle values were sometimes displayed with 60 seconds
• Previous window position was restored from registry incorrectly
• Added capability to store location of browser for Help files
• Help files moved to a subdirectory
• Spin box buttons range and direction corrected
• Constants entered on stack properly in RPN mode
• Stack viewable in RPN mode
• Exchange X and Y registers in RPN mode
• Transcendental function rounding error correction
• Computes whole number powers of negative numbers
• Roman numeral mode

Known problems with this release:

• Web based automatic property/constant upload not available
• Memory n dialog box always displays numbers in decimal
• Help files need updating
• Installation is still a manual process
• Help files do not work properly on Windows CE 2