Sicyon Calculator is a powerful all-in-one scientific calculator for Windows that combines an intuitive interface with a wide range of scientific functions. It has a comprehensive set of tools to work with algebraic and trigonometric equations, numerical calculations, polynomial roots, derivatives, integrals, linear algebra, and more. It can be used for complex calculations, plotting graphs and making calculations with complex numbers. It includes an extensive help system and an extensive library of scientific constants and functions. It also comes with a built-in editor for writing and running programs. Its features include a range of powerful statistical calculations, support for multiple languages and unit conversions. Additionally, it includes an interactive 3D graphing widget, a scripting language and a range of add-ons.
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Discontinued The project was abandoned. The latest version, 4.0.1, released on November 24, 2003, can still be downloaded from the official website.