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.
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.
Tools and Utilities
Product page: here