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.