10+ similar apps compared and reviewed
RPN is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
This advanced scientific calculator simulates the classic HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, financial functions, and 2D plotting with integral and root finding.
This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.
This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.
Relive the classic computing experience with a vintage scientific calculator. This app emulates a beloved 90s model, offering a nostalgic and functional tool for calculations.
This application is a faithful re-implementation of the HP-42S scientific calculator and its associated printer. It offers full functionality without requiring original HP ROM images and is an open-source project.
This app enables off-grid, decentralized communication via a low-power mesh network. Send text messages in areas lacking cellular or WiFi service.
This application provides fast and secure scanning of QR codes and various barcode formats. It offers an ad-free and privacy-focused experience with no hidden costs or data collection. Simply open the app and point your camera at the code to scan.
Manage your portable multi-tool device data, organize digital keys, and share them with a community of users. This application enhances the functionality of your device for various geeky projects.
Diagnose Wi-Fi and internet connectivity issues with a suite of network analysis tools. Discover devices on your LAN, test connectivity with ping and traceroute, and scan for open ports.
Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.
