RedCrab 4.14.00 - Changelog

What's new in RedCrab 4.14.00:

May 21st, 2012

New features:
· DTime returns the DateTime value for date and time calculation
· DTimeF formats DateTime in year, month, day, hour, minute and second
· DateTime values can be displayed as formatted text in result boxes.
· Det returns the determinant of a 2x2 or 3x3 matrix.
· Invx inverse a 2x2 or 3x3 matrix.
· In field-definition you can optionally specify the increment of a ranges.
· Display of tables inproved.

What's new in RedCrab 4.13.00:

April 12th, 2012

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.

Bug-fixes:
· 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 RedCrab 4.12.00:

March 20th, 2012

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

Bugfixes:
· 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 RedCrab 4.11.00:

March 5th, 2012

New features:
· 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 RedCrab 4.10.00:

January 16th, 2012

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 RedCrab 4.01.00:

December 19th, 2011

· Difference to 4.0 beta, improvements in details, particularly in display of chart
· boxes and tables.

What's new in RedCrab 4.0 Beta:

December 19th, 2011

· Calculation with multidimensional data fields.
· Chart boxes to display results graphically.
· Variable overload

Standard Functions:
· Round rounded to the nearest whole number.
· Int returns the integer part of a value.
· Frac returns the fractional part of an argument.
· Rnd returns a random integer number.
· Abs returns the absolute value of numbers and fields.

Functions / operators of dynamic data fields:
· Join connects one or two-dimensional fields with each other.
· Fill fills all elements of a field with a specified value.
· Mulx operator for multiplication of matrices.
· Trans producing the transpose of a matrix .
· Min return the minimum value of fields.
· Max return the maximum value of fields.
· Count returns the number of elements of fields.
· Aver returns the mean values of successive elements of fields.
· URnd fills a field with a series of unique random numbers.

Statistic functions:
· Sum returns the sum of the elements in fields.
· Prod returns the product of all elements of fields.
· Cusum returns cumulative sum.
· Sort sorts field elements from low to high values.
· DSort sorts field elements from high to low values .
· Median returns the median value of fields .
· Mean returns the mean value of field.
· Vari returns the variance of data fields .
· SVari returns the variance of an excample.
· StDev returns the standard deviation of data fields.
· SStDev returns the standard deviation of examples.
· Diff returns the difference values of successive elements of fields.
· LQuart returns the value of the first quartile.
· UQuart returns the value of the third quartile.
· QRan returns the area from the 1st to 3rd quartiles.

What's new in RedCrab 3.50.31:

September 24th, 2011

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

What's new in RedCrab 3.50.30:

September 5th, 2011

· 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 RedCrab 3.50.23:

August 14th, 2011

· Solved problem by start with command line parameter.
· Ctrl + Enter key has written an invalid symbol.

What's new in RedCrab 3.50.20:

July 25th, 2011

· 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 RedCrab 3.40.00:

June 21st, 2011

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 RedCrab 3.31.00:

June 21st, 2011

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 RedCrab 3.30.00:

June 21st, 2011

· A Virtual Keyboard can switch on/off in menu View. This make easy input of
· special symbols like Greek character.
· Error fixed in editor

What's new in RedCrab 3.21.00:

June 21st, 2011

· 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 RedCrab 3.20.00:

June 21st, 2011

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 RedCrab 3.10.00:

February 14th, 2011

· 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 RedCrab 3.00.01:

January 11th, 2011

· 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% .
· 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 RedCrab 2.10.00:

November 1st, 2010

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

What's new in RedCrab 2.00.00:

June 29th, 2010

· 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 RedCrab 1.40.00:

June 16th, 2010

· 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.

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 RedCrab 1.33.40:

June 1st, 2010

· 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 RedCrab 1.33.30:

May 23rd, 2010

· 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 RedCrab 1.33.00:

May 6th, 2010

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 RedCrab 1.31.00:

April 9th, 2010

· New Features
· Menu to search online for updates.

· Upgrades
· Save user preferences in windows registry.

What's new in RedCrab 1.30.00:

March 15th, 2010

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.

What's new in RedCrab 1.22.00:

March 4th, 2010

· Format of the cells was changed to improve the compatibility and representation on printers. (printer functions are available from version 1.3 / end of March 2010 ).
· Display revised: problems with the display of the grid, especially on Windows 7 have been corrected.

What's new in RedCrab 1.21.00:

February 16th, 2010

· Extension of front size to 512 pixel possible.
· Display of symbols upgraded.
· Previous problem with copy and paste of Integral symbol solved.

What's new in RedCrab 1.20.00:

January 17th, 2010

· For calculation an area of a curvilinear region

What's new in RedCrab 1.10.00:

December 22nd, 2009

New Features:
· Copy and insert data within RedCrab or from/to external programs.
· Paste To Box imports images or formatted text from external programs into a freely positioned box.
· Cut and Paste selected data.
· Deletes selected data.
· Load text files into freely positioned boxes.

More Upgrades:
· New display unit for results.

What's new in RedCrab 1.01.10:

December 9th, 2009

· Error fixed regarding negative exponent.

What's new in RedCrab 1.01:

November 29th, 2009

New Features:
· Page Lock - With Page Lock on the menu Extras, the editors page will be blocked for additional entries. This function protects unintentional changes made. For data input the cells can be unlocked with Unlock Cell.

· Unlock Cell - With Unlock Cell on menu Extras marked cells in a locked page (selected by mouse), are unlocked for data entry . The unlocked fields are marked with an underscore.

· DIV - The DIV operator returns the result of a integer number division without remainder. If there are floating point numbers are entered, the DIV operator cuts the digits after the decimal point before executing the division DIV.
Example:
· 11 DIV 3 = 3
· 11.3 DIV 3.9 = 3

· MOD - The MOD operator returns the remainder of the division of two integer numbers. If there are floating point numbers are entered, the MOD operator cuts the digits after the decimal point before executing the division MOD
Example:
· 11 MOD 3 = 2
· 11.7 MOD 3.9 = 2

More Upgrades:
· With Save and SaveAs now the font and cell size are saved .
· Handling of file Save and SaveAs improved.
· Display of error messages improved.
· Rounding errors in the display of result for values around zero were eliminated.
· Bitmap object positioning improved.