RedCrab Update Infos

Information of RedCrab Calculator Updates


Version 8.3
01. Mar. 2023

Improved error message for incorrectly placed parentheses. Improved startup speed. New function YawPR() for matrix rotation.


Version 8.2
28. Jul. 2022

Additional features unlocked for the freeware.


Version 8.1
18. May. 2021

Hyperlinks of the online help adapted to the new server structure. The php links of the older Redcrab versions are no longer supported on the new web server.


Version 8.0
12. May. 2021

Cumulative update with new features, bug fixes and improvements.
Revised user interface. Functional scope of the freeware expanded. More improvements in details.


Version 7.16
26. Oct. 2020

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.


Version 7.15
01. Oct. 2020

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


Version 7.14
05. Jul. 2020

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


Version 7.13
27. May 2020

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.


Version 7.12
27. Nov 2019

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


Version 7.11
24. Sep 2019

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


Version 7.10.1
16. Sep 2019

Cumulative update with new features, bug fixes and improvements.
Financial functions NPV and SYD improved. Display of the function names inserted from the toolbar improved. More improvements in details.


Version 7.10
11. Sep 2019

Cumulative update with new features, bug fixes and improvements.
New: Financial functions improved - DDB, IPmt and PPmt extended to display lists.


Version 7.9
28. Aug 2019

Cumulative update with new features, bug fixes and improvements.
New: In formulas prefixes can be used instead of exponents.


Version 7.8.1
19. Aug 2019

Cumulative update with new features, bug fixes and improvements.
Fixed bug in cursor control. In the second line, it could happen that the cursor jumped down two lines. Geometry class Cone extended. Helplinks adapted to the class Sphere.


Version 7.8
08. Aug 2019

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


Version 7.7.2
30. Jul 2019

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


Version 7.7.1
02. Jul 2019

Cumulative update with new features, bug fixes and improvements.
New integrated functions Beta and IBeta, links to the online help of the statistics group updated. Function panel revised. More improvements in details.


Version 7.7
19. Jun 2019

Cumulative update with new features, bug fixes and improvements.
Function panel revised. More improvements in details.


Version 7.6.1
02. Jun 2019

Cumulative update with new features, bug fixes and improvements.
New feature for entering functions. If you type of a function name in the worksheet, a tool tip with the parameter list appears below the formula. More improvements in details.


Version 7.5
20. May 2019

Cumulative update with new features, bug fixes and improvements. Function panel and tooltips improved. The function buttons of the functions with optional parameters of the groups Basics, Trigometry and Hyperbolic have been replaced by menus. The online help of the function group Arrays was partly lost by changing the Internet server. The problem is fixed. More improvements in details.


Version 7.4.1
09. May 2019

Important security update with bug fixes and improvements.
Since the update 7.3.1 last week, an error has occurred that can cause a crash when a term begins with a parenthesis. The problem is fixed.


Version 7.4
08. May 2019

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


Version 7.3.1
29. Apr 2019

Security update with bug fixes and improvements.
Error message improved. If more than one error message was displayed in a calculation, it could happen that the red frame around the formula was not deleted. The problem is fixed.


Version 7.3
24. Apr 2019

Security update with bug fixes and improvements.
New feature is the function Sound, which sends waveforms in data fields to the sound device. More improvements in details.


Version 7.2
13. Mar 2019

Important security update with bug fixes and improvements.
From version 7.0 it could happen that the activation of the full version did not work. The online help of hyperbolic functions in English was partially unavailable. The bugs are fixed. More improvements in details.


Version 7.1
05. Mar 2019

Cumulative update with new features, bug fixes and improvements. Financial calculation and bit manipulation now available in freeware. Geomerie functions for distance calculation expanded and improved.


Version 7.0
21. Feb 2019

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


Version 6.38
16. Jan 2019

Cumulative update with new features, bug fixes and improvements.
Improvements in display of news and informations. More improvements in details.


Version 6.37
01. Nov 2018

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.


Version 6.36
29. Aug 2018

Important security update with bug fixes and improvements.
Moving to a new Internet server required adjustments to online protocols. The online activation of the RedCrab full version is only possible from version 6.36! Also numerous links of the online help are affected. More improvements in details.


Version 6.35
07. Aug 2018

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.


Version 6.34
16. Jul 2018

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.


Version 6.33
14. Jun 2018

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% is set. Improvement of the error message with invalid function parameters.


Version 6.32.1
04. Jun 2018

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


Version 6.32
21. Mai 2018

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


Version 6.31
15. Mai 2018

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


Version 6.30.1
26. Apr. 2018

Cumulative update with new features, bug fixes and improvements. Insertion of formulas improved.


Version 6.30
23. Mar. 2018

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.


Version 6.29.3
13. Mar. 2018

Cumulative update with new features, bug fixes and improvements.
Insertion 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.


Version 6.29.2
02. Mar. 2018

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.


Version 6.29.1
27. Feb. 2018

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.


Version 6.29
16. Feb. 2018

Cumulative update with new features, bug fixes and improvements.
Email registration simplified.
Labels are always displayed in foreground after loading the worksheet from the file Labels stay in the foreground when the box behind the BringToFront button is clicked. More improvements in details.


Version 6.28.1
07. Feb. 2018

The link to unlock the test mode has been changed. Some users had problems finding the page. Otherwise like version 6.28: Cumulative update with new features, bug fixes and improvements. New procedure for testing the full version of RedCrab PLUS. All functions can be unlocked with a code for 24 hours. More improvements in details.


Version 6.28
05. Feb. 2018

Cumulative update with new features, bug fixes and improvements.
New procedure for testing the full version of RedCrab PLUS. All functions can be unlocked with a code for 24 hours. More information here More improvements in details.