Plus42

Plus42 brings the legendary power of the HP-42S programmable calculator to your modern devices. This comprehensive software is more than just an emulator; it's a complete re-implementation that captures the precise RPN (Reverse Polish Notation) logic and extensive functionality of the original hardware. It combines a vast array of mathematical, scientific, and programming tools into a single, streamlined application. Whether you're solving complex equations, writing custom programs, or performing statistical analysis, Plus42 delivers the accuracy and workflow efficiency that made the HP-42S a classic. It's the definitive tool for anyone who values the precision and clarity of RPN calculation.