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