أقوي آله حاسبة على الإطلاق للحسابات وللرسم الهندسي مع امكانات الطباعه Portable 6MB

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 calculator.

Calculation range: 1.7e 308 to 5e-324
Accuracy 18 digits
Display : 15 digits