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CHANGELOG

What's New in version 7.16.0:

  • Cumulative update with new features, bug fixes and improvements.
  • New functions in the Geometry group: Cone and Pyramid for calculating cones and pyramids. More improvements in details.

What's New in version 7.15.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Two new electrical functions (Rectify1, Rectify2). More improvements in details.

What's New in version 7.14.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Five new electrical functions. More improvements in details.

What's New in version 7.13.0:

  • Cumulative update with new features, bug fixes and improvements.
  • New electrical functions RCTime, RCLoad, RCUnload for calculating the charging voltage in RC circuits. More improvements in details.

What's New in version 7.12.0:

  • Cumulative update with new features, bug fixes and improvements.
  • New functions Add2, Div2, Mul2, Sub2 for calculating lists. More improvements in details.

What's New in version 7.11.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Improved display of function tooltips on the worksheet. More improvements in details.

What's New in version 7.8.0:

  • Cumulative update with new features, bug fixes and improvements.
  • New in freeware: The results of different formulas can be formatted differently.

What's New in version 7.7.2:

  • Cumulative update with new features, bug fixes and improvements.
  • Links to the online help adapted to new pages. Function panel revised.

What's New in version 7.4.0:

  • Update with bug fixes and improvements.
  • Improved trigone functions. Optional parameter determines the calculation in degrees or radians

What's New in version 7.0.0.701:

  • User interface improved. You can choose between classic menu with toolbars or ribbon menu. Cumulative update with new features, bug fixes and improvements.

What's New in version 6.37.0:

  • Cumulative update with new features, bug fixes and improvements.
  • An error was occurred at program start, if the start information is disabled in the settings. Improvements in the geometry functions. More improvements in details.

What's New in version 6.35.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Display of the status line and the start information improved. At Functions which returns a class as a result, it could happen that a wrong error message was displayed; the bug is fixed. More improvements in details.

What's New in version 6.34.0:

  • Cumulative update with new features, bug fixes and improvements.
  • The range of random numbers has been expanded. New buttons for text formatting in freeware available. More improvements in details.

What's New in version 6.33.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Better adjustment of the font size, if in the Windows Display Setting a scaling factor >100 percent is set. Improvement of the error message with invalid function parameters.

What's New in version 6.32.1:

  • Cumulative update with new features, bug fixes and improvements.
  • Improving the plot function. Curves with one parameter were not displayed as described in the manual. The bug is fixed.

What's New in version 6.32.0:

  • Cumulative update with new features, bug fixes and improvements.
  • User interface, QuickAccessToolbar improved. More improvements in details.

What's New in version 6.31.0:

  • Cumulative update with new features, bug fixes and improvements.
  • User interface improved. More improvements in details.

What's New in version 6.30.1:

  • Cumulative update with new features, bug fixes and improvements.
  • Insertion of formulas improved. More improvements in details.

What's New in version 6.30.0:

  • Cumulative update with new features, bug fixes and improvements.
  • Display of lists improved. Single-column lists are always displayed vertically. One-line (horizontal) lists can be displayed horizontally or vertically.
  • More improvements in details.

What's New in version 6.29.3:

  • Cumulative update with new features, bug fixes and improvements.
  • Iinsertion and deletion of rows are improved (Shift + Insert; Shift + Delete). Positions of the text, image and plot boxes are adjusted when the rows are moved.
  • More improvements in details.

What's New in version 6.29.2:

  • Cumulative update with new features, bug fixes and improvements.
  • By changing the web server from http to https, there were problems with the activation of the RedCrab PLUS software. The problem is solved.
  • Changes in the display of the virtual keyboard and the number and synbol panel.
  • More improvements in details.

What's New in version 6.29.1:

  • Cumulative update with new features, bug fixes and improvements.
  • A missing comma before a string in a parameter list did not produce an error message. The problem is solved. The handling of pop-up menus and pannels improved. More improvements in details.

What's New in version 5.7.0:

  • New: Calculation with complex numbers and complex variables. New funktions Re, Im, Phase, Magnitude, FromPolar and Conjugate for complex number handling.
  • Display of tables improved and more improvements in details.

What's new in version 5.5.1:

  • New operators for lists with select function. Help for desktop buttons improved.
  • More improvements in detail.

What's New in version 5.5:

  • RedCrab 5.5 runs with Microsoft Framework 4.0 (before only 4.5) and can be used also on Windows XP.
  • The manual is available online and can displayed from the program. Right mouse click on buttons or menus open their description.
  • Editor improved, scrollbars errors fixed, page-up, down installed, cursor control improved. Paste with CTRL + V installed.
  • Load Microsoft Excel files.
  • More improvements in detail.

What's New in version 5.3.1:

  • Troubleshooting and improvements in details.
  • Units of measurement can be switched off.
  • New: Imbed checks bit status.
  • New: Power handles exponent.
  • New: Min andMax extended for real numbers.
  • New: Clip, Scale,Remove, Reverse, Trim, and Insert for table manipulation.
  • New: Sort, DSort, TextSort und TextDSort to the sorting tables.

What's New in version 5.3.0:

  • Scroll bar improved. The full version can save files as a demo, with all full version features. Display of errors improved. Voice output for results. Troubleshooting and improvements in details etc.

What's new in version 5.2.1:

  • Bug fixes and further improvements of details in editor user interface and result display. Display of hex, octal and binary numbers are changed from
  • $, C$ and B$ to 0x, 0c und 0b.

What's New in version 5.2:

  • User interface improved. Menus in windows 7 improved. Further improvements and bug fixes in details.

What's New in version 5.1.3:

  • Subscript and superscript handling improved
  • The Home and End keys handling improved
  • DIV and SQR supports calculation with units
  • Fraction bar can be drawn with double click on the slash key. (Previously slash + CTRL)
  • Display of octal numbers improved
  • And further improvements in details

What's new in version 4.48:

  • Display of scientific exponent implemented (in menu Options)
  • New plot function FlootFill
  • Bug fix: chart box mouse pointer

What's new in version 4.47:

  • Plot reference on Chart boxes improves the chart box style for presentations. You can add text and highlighting on any position
  • Plot boxes have Print function. Print of Chart boxes improved
  • Bug fixes: Error in log () function and chart box popup menu fixed

What's New in version 4.46:

  • New: Definition of functions
  • Security update, bug fixes: Insert overwrote the character left to the root symbol
  • Memory management improved
  • Calculation of selected formulas improved

What's New in version 4.45:

  • Chart box improved: dialog box for axes settings. X axis reference.
  • Security update: memory management improved.
  • Bug fix: Error in insert column fixed (colon was overwritten)

What's New in version 4.44:

  • Selection of formulas with a mouse click
  • Calculation of selected formulas
  • error message system is improved: identify and report of wrong user setting in Long Term mode
  • Security Update: bug fixes in Editor and data encapsulation in recursive function calls

What's New in version 4.43:

  • Debugger for searching and fixing of errors in self written functions
  • Commands Trace, Watch und Break.
  • Debugger menu: Run, Step Into, Step Over, Ignore Break
  • Security update: Bugfixes

What's New in version 4.42:

  • Chart Box settings for series and legends (colour and text).
  • Print Chart Box
  • New Toolbox buttons for 'Insert Plot Box' and 'View Program Buttons'.
  • Bug fix; Slider position

What's New in version 4.41:

  • New: Copy of ChartBox, ImageBox and ResultBox to clipboard supported
  • Worksheet insert and delete improved
  • User manual improved: The content overview has hyperlinks to the description
  • Freeware and shareware manual are combined in one user manual

What's New in version 4.40:

  • New: Plotbox for graphic creation.
  • 35 new functions support the Plotbox: PlotLine, PlotRect, PlotEllipse, PlotPie, Polybizier, PenColor, PenStyle, BrushColor ........

What's New in version 4.34:

  • Security Update : Bug fix in program editor
  • New functions Sqr and Sqrt
  • New input and output functions in program interpreter : Input, Display and Menu

What's New in version 4.33:

  • Security Update : Bug fixes in Worksheet and Program Editor
  • In self programmed functions, the index of data fields now begins with [1] instead with [0]. If you use direct access to single element of data fields in your program, please change this to the new ruling.
  • New Constants: TRUE = 1; FALSE = 0

What's new in version 4.32:

  • Slider box available in freeware
  • The on/off state of the function panel is saved, and restored if RedCrab restarts.
  • In definition of data fields you can insert extern data tables and variables qualified by module name.
  • Call of self written functions with empty parameter list enabled.
  • Assign to single rows in data fields (a[b]=c).
  • Definition and assign to data fields improved: ,, Let x[] = a * b ,, and ,, define x[]= [1..16]*[1..4] fill 0 ,, enabled.
  • Automatic index handling per Next command in data field assignment ( RedCrab program language).
  • New Index function returns the last index which is used by Next.
  • Bug fix in transparency of result boxes.
  • Display of error message position improved.

What's New in version 4.31:

Upgrades:

  • The reference variable of result boxes can now be input with keyboard.
  • Undo function improved

Bug fixes:

  • Chart box becomes invisible, when toggled between NonSync and GridSync mode.
  • After loading of RedCrabPLUS demo files in freeware mode, there was a problem with saving of freeware files.
  • The definition

What's New in version 4.30:

  • Windows 8 tested and user interface upgraded.
  • Rectangle buttons with larger text fields improved the readability of function names on high resolution displays.
  • Adjustable size of function panel and buttons improved the readability and handling on touch screens and tablet pc.
  • The command line start option '/d', reset the Windows Registry settings.

What's New in version 4.21:

  • The Freeware can load data sheet which includes shareware programs and the worksheet is free to use. But the program code is read only and file saved is disabled.

What's New in version 4.20:

  • bugfix: Insert function upgrated

What's New in version 4.14:

New features:

  • Access to single cells in multidimensional fields.
  • Dim(x) returns the number of dimensions of data fields.
  • Cols(x) returns the number of columns of data fields.
  • Rows(x) returns the number of rows of data fields.
  • Input of binary- and octal numbers.
  • Output of binary- and octal numbers in result boxes.

Bugfix:

  • Runtime error by invalid input of: x=x[1..4]fixed.
  • Flickering of function panel (right) by pressing of Ctrl + Enter fixed.
  • Runtime error by invalid option in result boxes fixed.

What's New in version 4.13:

New features:

  • Access to single cells in multidimensional fields.
  • Dim(x) returns the number of dimensions of data fields.
  • Cols(x) returns the number of columns of data fields.
  • Rows(x) returns the number of rows of data fields.
  • Input of binary - and octal numbers.
  • Output of binary - and octal numbers in result boxes.

Bugfix:

  • Runtime error by invalid input of: x=x[1..4]fixed.
  • Flickering of function panel (right) by pressing of Ctrl + Enter fixed.
  • Runtime error by invalid option in result boxes fixed.

What's New in version 4.12:

  • By chart boxes, the option X/Y position allows the free definition of X and Y coordinates.

Bugfix:

  • Run time error fixed in display module: problem happened when displayed single-column field or more chart boxes.
  • Use of constant 'e' results in a wrong error message.

What's New in version 4.11:

  • The decimal key below the numeric keypad (point / comma) produces a decimal point always, regardless of the country setting.
  • For the function 'SUM ()' you can use alternate the Greek letter 'S'.

Bugfix:

  • CPU freezes when subscript symbols were behind a number.
  • Corrected error message when field definition is wrong [1..(a*b)].

What's New in version 4.10:

  • New features for field and financial calculation: AddIn, AddTo, AddOn, MulIn, MulTo, MulAd, Patt

Bugfix:

  • When inserting columns, problems occurred when result was behind a formula.
  • Mouse pointer showed wrong symbol when leaving text box.
  • Runtime error under Linux OS / Wine fixed.

What's New in version 3.50.31:

  • Copy, Cut and Paste with Ctrl+C, Ctrl+X and Ctrl+V keys provided.
  • Bugfix in Display Modul

What's New in version 3.50.30:

Upgrades:

  • Virtual Keyboard and Function Panel always stay on top
  • Message boxes always stay on top
  • Function keys groups can be switch on / off on function panel. The items in the menu 'View' is deleted.
  • New button on the toolbar to turn on / off Virtual Keyboard and Functions Panel.

Bugfixes:

  • Root symbol was not displayed in the second row since version 3.50.10 .
  • Occasional delay when switching between windows is fixed

What's New in version 3.50.23:

  • Solved problem by start with command line parameter.
  • key has written an invalid symbol.

What's New in version 3.50.20:

  • Resultboxes Prefix range.
  • Display refresh by click on subscript- / superscript button.

What's new in version 3.50.00:

  • The worksheet now has a fixed size of 256 x 256 cells. The Options menu to change the size between '72 x 72', '144 x 144' and '108 x 48' is removed.
  • To improve the type face, the cell format has been changed from 1 / 1.33 (width / height) to 1 / 1.50.
  • A new file format takes up less disk space.
  • The output to the printer has been revised and its functions expanded.
    • By default, 64 columns per page are printed.
    • If necessary, the worksheet is split into several pages.
    • By entering a different value (columns per page), you can increase or decrease the printer output.
    • Center Selection prints the selected area at the center of the page.
    • With the check box Fit to page the print-out is adjusted to the page size. The Columns per Page setting is ignoring.
  • Printing problems of result boxes and images with transparent backgrounds have been fixed.
  • Page Setup improved.
  • Bugfixes

What's new in version 3.40.00:

  • RedCrab optimized for Linux. RedCrab can now be used on Linux OS with Wine runtime system. The extension has no influence in Microsoft Windows System.
  • Long Term - switch mode for long variable names. Example: 'abc ' is not interpreted as 'a*b*c' rather as one word.
  • When Result boxes saved to file, they are pre-setted to BringToFront when the status was undefined.
  • Bug in save backup file by start from CD-ROM eliminated.

What's new in version 3.31.00:

  • Reopen - The Clear function clears the worksheet and the undo list, without prompting. Data are stored in a backup file. If the Clear button was clicked by mistake, the worksheet can be restored with Reopen function.
  • Remark - Remark marks data in the worksheet as a comment Root symbol without root line forbidden.( V3.30.20)
  • redcrab.con File upgrade.
  • Editor upgrade.

What's new in version 3.21.00:

  • Settings can either be stored in a file in the programs root directory, instead in the PC' s Windows registry. The settings are always available to the Program, also if RedCrab runs from USB stick on different computers.
  • Upgrade of the user interface.
  • Casually flickering of the menu bar / tool box by actions eliminated.

What's New in version 3.20.00:

  • Result Boxes: With Result boxes you can display formatted result of calculations on any worksheet position.So you can insert results directly on technical drawings. Result boxes can displayed results with SI-Prefixes and units.
  • Error fixed: 'Text to Image' doas not work correctly, double click on Image box produce an error message buttons in message boxes vanished if ALT key pressed.

What's New in version 3.10.00:

  • Upgrades
  • Several expressions are written in a row.
  • Formulas can be written without space rows between themselves.
  • Import of Jpeg (*.jpg) files.
  • Error messages upgrate.

What's New in version 3.00.00:

  • New user interface
  • New panels for numbers, operators an functions. Now you can use the mouse for most inputs.
  • Images are saved at compressed bitmap. This reduce file size up to 94 percent .
  • AC Clears the mathematical expression at cursor position.
  • Programmer Functions:
    • AND - bitwise AND
    • OR - bitwise OR
    • XOR - bitwise XOR
    • SHL - bitwise shift left
    • SHR - bitweise shift right
    • NOT - bitwise negation
    • INCL - adds a bit to the integer operands
    • EXCL - exclude a bit from the integer operands
    • TRUNC operands value are rounded toward zero
  • Function names will not distinguish between upper and lower case. Valid now e.g. SIN, sin or Sin.
  • Error fixed in TextToImage.

What's new in version 2.10.00:

  • User interface upgraded, undocked function panel.
  • In- and output of hexadecimal numbers.
  • Handling of fraction lines upgraded.

What's New in version 2.00.00:

  • New user interface
  • New Undo / Redo module with extended functions. Undo stores all changes of text / image boxes, grid on / off , font size,etc.
  • No limit by size of text boxes
  • Previous editing error of multiple roots now fixed.

What's New in version 1.40.00

  • The format of mathematical expressions is now more flexible. You can write your formula with any format at any editor position. Example: 17+4, or 17+4=, or x=17+4, or x=17+4=. Toggle between single and extended mode exist no longer. Read more about this on user manual part 1.1
  • Several improvements for better handling of text and image boxes : Text and Images boxes are now deleted with Delete on a pop up menu (click on right mouse button). The area to draw the text boxes is now displayed with a NW- mouse pointer. The pop up menu selections are saved to the data files. Delete box is disabled if Page Lock is enabled.
  • Select text boxes font with pop up menu.
  • New: Clear selection with Ctrl + Delete key.
  • The Clear function are now confirmed with a message box, instead the Enter button.
  • The handling of Insert and Delete with Undo / Redo are improved.
  • Error fixed: Problems with Paste of space signs from external files are fixed.
  • Previous Insert and Delete move multiple rows simultaneously is now fixed.

What's New in version 1.33.40:

  • Superscript / Subscript mode disabled if you enter a non alpha numeric sign. Same thing if you select cells.
  • key enable / disable Superscript mode
  • key enable / disable Subscript mode
  • If Superscript / Subscript is activated when the cursor is on a character, the character under the cursor changed from normal letters in superscript / subscript.
  • As described above you can change selected cells to superscript / subscript or reset.
  • It's now possible to select Unlock Cell, if Page Lock disabled. The underscore of selected unlocked field is displayed as well, if Page Lock is disabled
  • Error fixed: Insert Row was blocked, if cells selected by Unlock Cell The file name in the headline was cut, if the file name includes non alpha numeric symbols.

What's New in version 1.33.30:

  • Insert, Delete and Paste function upgraded and previous problems solved.
  • Fixed cell size if the grid on/off function is switched
  • RedCrab saves the setting of Grid on/off current worksheet and reset it if the file is reloaded.

What's New in version 1.33:

Upgrades:

  • Upgrade the compatibility of older Windows* XP Systems (SP2 or older). Previous problems with access to Windows registry (program finished) and display of space sign now solved.

What's New in version 1.31:

New Features:

  • Menu to search online for updates.

Upgrades:

  • Save user preferences in windows registry.

What's New in version 1.30:

New Features:

  • You can now print a whole page or a certain selected area.

Upgrades:

  • Previous problems with save of textboxes now solved. Previously it could happened that the textboxes lost their format settings when the page saved.