6 Powerful Modules: Standard & Scientific modes, Graphing (via Matplotlib), Programmer (Hex/Bin/Oct/Dec conversions), Date Calculator, and Live Currency Converter (real-time ECB data).
Safety-First: Uses an AST-based SafeEvaluator instead of the risky eval() function, protecting against code injection.
Global Design: Fully localized in 12 languages with automatic Light/Dark mode synchronization.