RedCrab is a calculator with a full-screen editor. The mathematical expressions are not typed in a typical command line, but can be enter in the editor window.
Supports entry of complex algebraic equations with fractions, square roots etc.
Free Downloads Center is the only software archive that provides "LINK-TO-EMAIL" service for free. Just enter your email address to receive a direct link to RedCrab.
Having its address in your inbox, you will be able to download it when you want and resume download if it breaks, without visiting any website or search engine.