RedCrab is a scientific calculator with a full screen formula editor. The mathematical expressions are not typed in a typical command line, but can be enter in an editor window similar to a piece of paper. The calculator display the result either under or next to the expression. The handling is easier than conventional calculators.

Changelog:
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.

Program Information Category: Tools and Utilities Type: Free Version: 1.40.00 Size: 1.18MB Works on: Windows Product page: here